TY  - BOOK
AU  - Ashok Kumar Mehta
TI  - relative Effect of Various Organic Wastes on Solubility Mobility and Availability of Zinc to Crops in Calcareous Soil
U1  - 631.41 
PY  - 1981///
CY  - RPCAU
KW  - MSc. Sopil Science and Agril Chemistry
ER  -