TY  - BOOK
AU  - HARMINDER Singh
TI  - Ammonium polyphosphate as a source of fertilizers P to WHEAT
U1  - T 631.841 H32A 
PY  - 1992///
CY  - Ludhiana
PB  - PAU
KW  - AMMONIA AS FERTILIZER
KW  - PHOSPHORUS
KW  - SOIL CHEMISTRY
KW  - SOILS
KW  - WHEAT
KW  - WHEAT -- FERTILIZERS AND MANURES
N2  - Relative efficiency of different sources in increasing wheat yield and P-uptake can be summarized as: Diammomum phosphate> ammonium polyphosphate (80% IP" ammonium polyphosphate (60% IP) > ammonium polyphosphate (40% IP) Wheat was taken as test crop for e
ER  -