TY  - BOOK
AU  - Brar,Baldev Singh
TI  - A study on induces of soil nitrogen availability and intergration of soil tests for nitrogen phosphorus and potassium over various depths for predicting crop responses to fertilizer application
KW  - Fertilizer
KW  - Phosphors
KW  - Potassium
KW  - Soil sciences
KW  - Soil types  Soil testing
KW  - Soil chemistay
KW  - Invertigation
ER  -