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Effect of root and shoot competition of two weeds on Phaseolus vulgaris beans
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Weed interference on common beans (Phaseolus vulgaris) growth and yield in Sri Lanka
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Effect of root and shoot competition of two weeds on Phaseolus vulgaris beans. Mededelingen Faculteit Landbouwkundige en Toegepaste Biologische Wetenschappen, U.G., 63(3a), 1998, 727-734.
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Weed interference on common beans (Phaseolus vulgaris) growth and yield in Sri Lanka. Mededelingen Faculteit Landbouwkundige en Toegepaste Biologische Wetenschappen, U.G., 63(3a), 1998, 829-831.
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Effective weed-free period of common beans in two different agro-ecological zones of Sri Lanka Tropical Agricultural Research, Vol. 11, 1999, 19-28.