TY - BOOK AU - RANDHAWA, Jagraj Singh TI - Integrated nutrient management in soybean (Glycine max)-winter maize (Zea mays) cropping system under flat and bed method of sowing U1 - T 633.34 R17I PY - 2004/// CY - Ludhiana PB - PAU KW - SOYBEAN KW - CROPPING SYSTEMS KW - MAIZE ER -