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一熟沤田在江苏省裹下河地区面积很大,如兴化一县就占耕地面积的58%,泰县占约22%,其余高邮、宝应、建湖、江都等县,都占有或多或少的比重,这种田每年可利用的时间约一百天左右,祇栽插一季水稻,一年中有8-9个月时间都浸沤水中不能利用,耕耙困难,空气不易流通,阻碍好气性细菌的活动,影响肥料分解,使水稻产量不高,也易倒伏,为了改良土壤的性质,充分使用地力增加粮食,裏下
One area of Wutong River in Jiangsu Province covers an area of a great area. For example, Xinghua County accounts for 58% of the cultivated area and Taixian about 22%. Other Gaoyou, Baoying, Jianhu and Jiangdu counties have or More or less the proportion of this field can be used for about 100 days a year or so, only planted a season of rice, 8-9 months a year in the water can not be leached, harrow difficult, the air is not easy circulation, Hinder the activity of aerobic bacteria, affecting the decomposition of fertilizers, so that rice yield is not high, but also easy to lodging, in order to improve the nature of the soil, full use of fertility to increase food, the next