TY - BOOK AU - Chongtham, Sunil Kumar TI - Micro-environment and productivity of soybean (Glycine max L. Merril) in relation to crop residue...wheat U1 - T 635.655 C35M PY - 2010/// CY - Ludhiana PB - PAU KW - SOYBEAN KW - CROP MANAGEMENT N2 - The studies entitled ER -