TY - BOOK AU - CHANANA, Yog Raj TI - Study on the chemical weed control in grapes (Vitis vinifera L.) U1 - T 634.83 C28S PY - 1970/// CY - Ludhiana PB - P.A.U KW - GRAPES -- VITIS VINIFERA L KW - AGRO TECHNOLOGY KW - GRAPES KW - HERBICIDES KW - HORTICULTURE KW - WEED CONTROL KW - WEEDS N2 - Diuron @ 4kg a.i. per ha was most effective as compared with the two other doses of this weedicide It may be mentioned here that diuron (3-4 kg ai per ha) proved to be toxic for the growth of grapevines after about 45 days of spray But this effect diminis ER -