TY  - BOOK
AU  - CHHIBBA, Inder Mohan
TI  - Contribution of surface and sub-surface layers of soil to wheat nutrItion
U1  - T 631.41 C33C 
PY  - 1971///
CY  - Ludhiana
PB  - P.A.U
KW  - SOILS
KW  - NITROGEN
KW  - SOIL FERTILLTY
KW  - SUB - SURFACE
KW  - WHEAT
N2  - Non-significant correlation was observed between available N and wheat grain yield Physical properties (bulk density and water holding capacity) showed a non-significant correlation with the grain yield in all horizons except in horizon-3 where a signific
ER  -