Impacts of bioclimates, cropping systems, land use and management on the cultural microbial population in black soil regions of India (original) (raw)

6.12 log 10 cfu g-1) followed by cereal-based system (6.09 log 10 cfu g-1). The mean microbial population in different cropping systems in decreasing order is legume > cereal > sugarcane > cotton. Significantly higher (P < 0.05) microbial population has been recorded in high management (6.20 log 10 cfu g-1) and irrigated agrosystems (6.33 log 10 cfu g-1) compared to low management (6.12 log 10 cfu g-1) and rainfed agrosystems (6.17 log 10 cfu g-1). The pooled analysis of data inclusive of bioclimates, cropping systems, land use, management practices, and edaphic factors indicates that microbial population is positively influenced by clay, fine clay, water content, electrical conductivity, organic carbon, cation exchange capacity and base saturation, whereas bulk density, pH, calcium carbonate and exchangeable magnesium percentage have a negative effect on the microbial population.

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