TY  - BOOK
AU  - HARMEET Singh
TI  - Response of soybean [Glycine max (L) Merrill] to nitrogen, phosphorus, potassium and zinc fertilization
U1  - T 633.34 H31R 
PY  - 1995///
CY  - Ludhiana
PB  - PAU
KW  - SOYBEAN -- FERTILIZERS AND MANURES
KW  - AGRONOMY
KW  - CROP NUTRITION
KW  - FERTILIZER
KW  - SOYBEAN
N2  - Twelve nutrient combinations comprising of three levels each of nitrogen (30, 60 and 90 kg N/ha) and phosphorus (40, 60 and 80 kg P205/ha), two levels of potassium (30 and 60 kg K20/ha) and a single level of zinc (25 kg Zn/ha) along with control were test
ER  -