TY  - BOOK
AU  - KAPUR, Madan Lal
TI  - Contribution of sub-surface layers of the soil to nitrogen, phosphorus and potassium nutrition of crops
U1  - T 631.8 K12C 
PY  - 1974///
CY  - Ludhiana
PB  - P. A. U
KW  - SOILS -- NITROGEN CONTENT
KW  - SOILS
KW  - SOILS -- PHOSPHORUS CONTENT
KW  - SOILS -- POTASSIUM CONTENT
N2  - The grain yield, dry matter and nutrient uptake by Pearl millet. maize and cotton increased depth of stirring while in wheat crop the depth of stirring had a negligible influence Maximum nutrient uptake and crop yield of pearl millet, maize and wheat was
ER  -