A critical period of lowland rice to weed competition
Tobing, Indriaty Elizabeth
Chozin, Muhamad Achmad
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There was no significant difference between duration of weeds-free 12, 4, 6 and 8 weeks after-planting, and the whole-life) period of lowland rice on its vegetative growth, but there was a significant difference on the number of productive tillers and grains per panicle. The critical period of a lowland rice var. I R 28 to the weed competition was found at the first 8 weeks after planting.