TY - BOOK AU - JAI Singh TI - Optimising ULV spray deposit on target sites for boll-worm control on cotton U1 - 633.519 78 J20O PY - 1984/// PB - Ludhiana KW - COTTON -- DISEASES AND PESTS KW - BOLL - WEEVIL CONTROL KW - COTTON KW - ENTOMOLOGY KW - SPRAYING AND DUSTING IN AGRICULTURE N2 - maximum deposit on cotton plants of endosulfan L VC sprayed with motorized knapsack sprayer fitted with the ULV. A swath width of 3 m was found to be the optimum for controlling bollworm The spray spectrum had a mean VCD of 889 um and at a droplet density ER -