位于中国的泰胡·莱克盆的一个地实验被进行,由脲的申请或有粪肥的脲的混合物,到阐明在通过“零排水的用水管理”的典型稻田的氮(N) 出口的拦截与健全灌溉,降雨预报并且地弄干结合了。在洪水的 N 集中很快在地在三裂口授精以后弄干的第一个事件前衰退了,并且随后趋于回到背景水平。在弄干的第一块地前,全部的微粒氮(百菌清)是在没有 N 输入的阴谋的洪水的占优势的 N 表格,仅仅收到了脲的阴谋上的溶解的无机的氮(吵闹),并且溶解了有机氮(穿上)在与脲和粪肥的混合对待的阴谋上。此后,百菌清成为了主要表格。没有 N 出口从稻田被发现,但是 15.8 kg/hm2 的总氮(TN ) 主要由于土壤 N 吸着被仍然是。结果为最小化 N 出口为照原尺寸的区域推荐了零排水的用水管理。
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