SRS213626 SAMN00631719 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257092 SAMN00709051 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257104 SAMN00709063 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257091 SAMN00709050 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257106 SAMN00709065 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257107 SAMN00709066 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257090 SAMN00709049 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257109 SAMN00709068 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257110 SAMN00709069 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257089 SAMN00709048 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257112 SAMN00709071 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257113 SAMN00709072 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257088 SAMN00709047 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257115 SAMN00709074 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257116 SAMN00709075 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257087 SAMN00709046 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257118 SAMN00709077 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257119 SAMN00709078 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257086 SAMN00709045 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257121 SAMN00709080 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257122 SAMN00709081 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257085 SAMN00709042 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257124 SAMN00709083 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days'' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257125 SAMN00709084 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257084 SAMN00709041 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257083 SAMN00709040 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257082 SAMN00709039 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257081 SAMN00709038 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257080 SAMN00709037 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257079 SAMN00709036 77133 uncultured bacterium Each microcosm contained 400 g soil, maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257103 SAMN00709062 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257102 SAMN00709061 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257101 SAMN00709060 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257100 SAMN00709059 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257099 SAMN00709058 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257098 SAMN00709057 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257097 SAMN00709056 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257096 SAMN00709055 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257095 SAMN00709054 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257094 SAMN00709053 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257093 SAMN00709052 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) mustard seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257105 SAMN00709064 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257108 SAMN00709067 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257111 SAMN00709070 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) dried, chipped sorghum-sudangrass biomass (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257114 SAMN00709073 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 3 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257117 SAMN00709076 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 7 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257120 SAMN00709079 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 14 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA). SRS257123 SAMN00709082 77133 uncultured bacterium This microcosm contained 400 g soil and 2.5% (w/w) flax seed meal (sieved to 1 mm), maintained at 13% (w/w) water content (approximately 40% field capacity), and was incubated in a 1 L mason jar, under aerobic conditions, at 25 *C in a controlled environment incubator. After 28 days' incubation, a subsample was collected and stored at -80C until DNA extraction. Community DNA was extracted from 0.5 g aliquots of each soil sample using a PowerSoil DNA extraction kit (Mo Bio Laboratories, Inc., Carlsbad, CA, USA). Samples were purified with illustra MicroSpin S-400 HR columns (GE Healthcare Bio-Sciences Corp, Piscataway, NJ, USA).