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本文通过斜面坡地径流实验,研究了控失氮肥(尿素)在控制土壤氮素径流损失上的作用效果。结果表明:在等氮量施肥情况下,控失尿素对普通尿素氮素在径流损失上的控失率为57.50%;控失剂对照对本底对照的径流损失控失率为8.94%。
In this paper, the effects of controlled-release nitrogen fertilizer (urea) on controlling runoff loss of soil nitrogen were studied by runoff on slope slope. The results showed that the rate of losing control of runoff urea on runoff loss was 57.50% and that of loss-controlling agent to control runoff was 8.94% under the condition of equal nitrogen fertilization.