TY - BOOK AU - Kandoria, Jiwan Lal TI - Comparative studies on the bio-effecacy of ULY sprayers for the control of jasid on cotton U1 - T 633.519.752 K11C PY - 1979/// CY - Ludhiana PB - P.A.U. KW - COTTON - - DISEAS AND PESTS N2 - The motorized knapsack sprayer fitted with a UL V restrictor gave the best performance in pest control. Ten days after spraying the effective swath widths in treatments where the insecticide was sprayed by using the Turbair Sprite and the Fogair at the mi ER -