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Natural regeneration and its relationship to micro-relief and weed competition were studied on 6 research plots in mountain spruce forests in the Šumava Mountains. The data on density regeneratio...
In northern Laos, weeds are a major constraint to upland rice production in slash-and-burn systems. Two experiments were conducted to assess genotypic variation in ability to recover from weed competi...
Weeds competition in wheat (Triticum aestivum) crop was investigated at Adaptive Research Farm, Gujranwala during rabi, 2003-2004 and 2004-2005. The treatments comprised weed competition with crop f...
Determination of weed competition critical period in red beet.

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