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苏丹索巴地区为盐碱土,特别是底土,盐碱的含量更加明显。所以,蚕豆对肥料的反应十分显著。增产最多的是鸡粪加氮肥(比对照地增产48.7％),而单施农家肥料(FYM)或单施氮肥都会减产。用污水灌溉增产中等。但氮与鸡粪混合或与水混合,增产则不显著。另一试验是,将农家肥料用量每公顷增施到25.6吨时则显著增产。增产的原因是由于单株的荚果数增加了。
Sultan Soba area is saline soil, especially the subsoil, the content of saline is more obvious. Therefore, the reaction of broad beans to fertilizers is very significant. The most yield increase was chicken manure plus nitrogen fertilizer (48.7% increase compared with the control), while single fertilizer (FYM) or nitrogen fertilizer alone would reduce production. Sewage irrigation yield increase medium. However, nitrogen and chicken manure mixed or mixed with water, yield is not significant. In another experiment, a significant increase in the amount of peasant fertilizer applied to 25.6 tons per hectare increased significantly. The reason for the increase is due to an increase in the number of pods per plant.