TY  - BOOK
AU  - Raj, Kumar Rishav
TI  - Soil physical quality and nutrient availability in some maize growing soils of Bihar
U1  - 631.4 R 1371 S 
PY  - 2014///
CY  - Bhagalpur
PB  - BAU, Sabour
KW  - Soil science
ER  -