TY - BOOK AU - GREWAL, Dilbag Singh TI - Crop geometry relative to efficient solar energy use and source-sink relationship studies in wheat U1 - 633.11 G83C PY - 1982/// PB - Ludhiana KW - WHEAT KW - AGRONOMY KW - CROP ECOL KW - DEFOLIANT KW - ROW DIRECTION KW - SOLAR ENERGY N2 - Interacting effect of row directions (E-W, N-S and bi-direction) with row spacings (22.5 and 15 cm), methods of weed control (metaxuron application and unweeded control), N levels (40, 80, 120, 160 and 200 kg/ha), sowing dates (1-5 Nov, 23-25 Nov and 10 D ER -