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中文摘要：
采用盆栽种植方法,研究黄土中施入不同量的堆肥污泥后对玉米、蚕豆生长和黄土土质的影响,为西北贫瘠黄土开展污泥农用资源化提供科学依据.结果表明：施入1%、5%干污泥能促进玉米、蚕豆株高生长并增加生物量,污泥施入黄土对玉米、蚕豆发芽率有不同程度延缓或抑制作用,污泥施入能明显改善黄土肥力,降低黄土碱性,改良黄土土质.一次施入污泥不多于10%有利于植物生长,污泥在西北黄土地区土地利用是可行的.
英文摘要：
The method of potted planting was used to study the impact of loess soil with different sludge contents on the growth of maize and beans,in order to provide a scientific basis for sludge agricultural resource utilization in the northwest barren loess areas.The result showed that application of the 1%,5%dry sludge could promote the height growth of maize and beans and increase their biomasses,that sludge applied into the loess either delayed or inhibited the effect of germination rate on maize,beans to different degrees,and that loess soil fertility was obviously improved,thus having reduced the loess alkaline,improved loess soil.We concluded that it would be beneficial to plant growth if the sludge applied to the loess were not more than 10%at one time.Therefore the using of sludge in the northwest loess land can be a feasible practice.
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