TY  - BOOK
AU  - RANDHAWA, Nirmal Singh
TI  - External phosphorus requirements of wheat crop in different soils
U1  - T 633.11 R17E 
PY  - 1991///
CY  - Ludhiana
PB  - PAU
KW  - WHEAT -- FERTILIZERS AND MANURES
KW  - PLANTS, EFFECT OF PHOSPHORUS ON
ER  -