TY  - BOOK
AU  - Sandhu, Harcharan Singh
TI  - Studies on rate uptake of nitrogen applied at different growth stages of wheat plant
U1  - T 633.11 S15S 
PY  - 1969///
CY  - Ludhiana
PB  - P.A.U.
KW  - WHEAT -- FERTILIZERS AND MANURES
ER  -