Trial on herbicide treatment for soiling corn at alpine area
1989
Kim, H.S. | Chung, Y.H. | Chung, C.H. | Lee, J.Y. (Rural Development Administration, Pyongchang (Korea R.). Alpine experiment Station)
This experiment was conducted to select adequate herbicide for soiling corn at the Alpine Experiment Station (800m a.l.s.)from 1987 to 1988. Within 2 days before and after planting, herbicides were applied on soil. Alachlor (2-chloro-2, 6-diethyl-N-methoxymethyl acetanilide) and simazine (2-chlor-4, 6-bisethylamine-s-triazine), alone and in combinations, were used. Percent of weed control, DM yield and TDN yield were higher in herbicide application within 2 days after planting than in herbicide application within 2 days before planting. Among herbicide treatments, best weed control (92.3%) and highest dry matter yield (1,222.9Kg 10a** (-1)) resulted from combination of alachlor and simazine at 200+150g/10a which was applied on soil within 2 days after planting
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