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With a view to optimizing water use during dry season pepper production, sawdust, dry grass, and maize cob mulches were applied, and their effects compared with a no mulch control. Mulching significan...tly enhanced vegetative growth and fruit yield of pepper by retarding rate of soil moisture depletion and keeping soil temperature in the afternoons below supra-optimal levels. Mulch types differed significantly in their effects on some growth attributes but they did not differ significantly in their effects on yield attributes. Results obtained suggest that critical soil water potential for pepper is -0.2 bar, while soil temperature above 30℃ is deleterious to normal growth and reproductive development of pepper.続きを見る
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