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首页> 外文期刊>Archives of Agronomy and Soil Science >Effectiveness of tree leaf mulch comparing with conventional mulches on common bean at different irrigation levels: growth, yield, water use efficiency and weed infestation
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Effectiveness of tree leaf mulch comparing with conventional mulches on common bean at different irrigation levels: growth, yield, water use efficiency and weed infestation

机译：在不同的灌溉水平下，相比常规豆腐，在传统的豆腐上，叶覆盖物的有效性：生长，产量，水分利用效率和杂草侵染

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摘要

The study was aimed to examine the effectiveness of Senna siamea leaf comparing with conventional mulches (rice straw and water hyacinth) on growth, yield and water use efficiency (WUE) of common bean and weed infestation at different irrigation levels during the dry season. The experiment was laid out in split-plot design with three replications where three mulches and five irrigations were assigned in main and sub-plot, respectively. Irrigation water (IW)/cumulative pan evaporation (CPE) 1.,0.7,0.5,0.25 and no irrigation were the five irrigations. Senna leaf mulch maintained favourable soil environment than other mulches. Seed yield of common bean did not vary significantly between Senna leaf (1355.8 kg ha-1) and straw (1394.2 kg ha-1) mulches, but Senna leaf mulch gave significantly higher yield than water hyacinth mulch (1239.8 kg ha-1). No significant variation was recorded in TWU and WUE among mulches. Significantly lower weed infestation was observed in Senna leaf mulch (12.3 g m-2) compared to straw (26.6 g m-2) and water hyacinth (32.9 g m-2). Performance of common bean was better at higher irrigation levels. Results indicate that Senna leaf could be used as an effective mulch to conserve soil moisture and save irrigation water for common bean production.
机译：该研究旨在检验番泻叶与常规覆盖物（稻草和水葫芦）相比，在旱季不同灌溉水平下对菜豆的生长，产量和水分利用效率（WUE）和杂草侵染的有效性。该实验采用分块设计的方式进行，具有三个重复，其中在主图和子图上分别分配了三个覆盖和五个灌溉。五种灌溉方式分别为灌溉水（IW）/累计蒸发皿蒸发量（CPE）1、0.7、0.5、0.25。番泻叶覆盖比其他覆盖保持了良好的土壤环境。在番泻叶（1355.8 kg ha-1）和稻草（1394.2 kg ha-1）覆盖之间，普通豆的种子产量没有显着变化，但是番泻叶覆盖比风信子覆盖（1239.8 kg ha-1）高得多。覆盖之间的TWU和WUE未见明显变化。与秸秆（26.6 g m-2）和水葫芦（32.9 g m-2）相比，番泻叶覆盖物（12.3 g m-2）中观察到的杂草侵害显着降低。在较高的灌溉水平下，普通豆的性能更好。结果表明，番泻叶可以作为一种有效的覆盖物，以保护土壤水分并节省普通豆类的灌溉用水。

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