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日本山形县农业试验站,将一块水稻田改种大豆,获得亩产大豆875斤的高产纪录。据科研人员的总结,获得高产的原因有下列几个:一、水稻田原有循环灌渠和通畅的排水渠道,从而保证排灌便利;二、大量施用磷肥,三、施用堆肥和镁肥,并施石灰,施后进行浅层拌土,将肥料翻拌至土表下层;四、密植,每亩保苗1万株,普通大豆田
Japan Yamagata Prefecture Agricultural Experimental Station, a piece of paddy soaked in soybean, access to 875 pounds per mu yield of high yield records. According to the conclusion of the researchers, the reasons for the high yield include the following: First, there are original irrigation channels and unobstructed drainage channels in paddy fields to ensure the convenience of irrigation and drainage; secondly, phosphate fertilizer is applied in large quantities; thirdly, compost and magnesium fertilizer are applied and lime is applied , Shi shallow soil after mixing, the fertilizer overturned to the bottom of the soil table; Fourth, close planting, seedlings per acre 10000, common soybean field