NPK+FYM
Using the MP Biomedicals FastDNA Spin Kit, genomic DNA was extracted from soil samples by the manufacturer's instructions and kept at -80 C. After isolation, Nanodrop and Agarose gel electrophoresis were used to assess the purity of the DNA, and a Qubit 4 Fluorometer (Thermo Fisher Scientific, USA) was used to confirm the DNA concentrations.