TY - BOOK AU - SEKHON, Kuldip Singh TI - Effect of defoliants and nitrogen levels on growth and yield of timely and late sown cotton U1 - T 633.51 S27E PY - 1992/// CY - Ludhiana PB - PAU KW - COTTON -- GROWTH KW - AGRONOMY KW - COTTON -- FERTILIZERS AND MANURES KW - CROP PROD KW - DEFOLIATION KW - NITROGEN FERTILIZERS N2 - In an experiment treatments comprised of the combinations of dates of sowing (May 20 June 5) and nitrogen levels (60, 75 and 90 kg/ha) and the defoliant treatments (20 Rhi2 and 400 g/ha, 2,4-D 40 and 80 g/ha and water unit spray). There was decline in see ER -