而坡面田间工程措施主要是修梯田。
Terracing is one of important engineering measures on slope and field.
印加人在他们的山地上修梯田。
当前在新修梯田上作试验，由于缺乏田间设计规范，成果误差偏大，影响推广应用。
Due to insufficient specifications for field design, the result obtained from experiments of newly built terraces has a bigger error, effecting popularization and application.
为了大幅度地减少土壤损失，农民正在山坡地上修梯田，轮种庄稼并采用新的耕作方法。
Concerned farmers are building terraces on hilly fields, rotating their crops, and using new plowing methods to cut soil losses significantly.
通过梯田土壤空白试验，证明新修梯田土壤肥力呈现团块状分布规律，这与一般农地土壤肥力分布具有明显的区别。
Through blank experiment of terraces. it shows that the soil fertility of newly built terraces is distributed in a crumby shape which is remarkably different than that of the ordinary farm soil.
通过梯田土壤空白试验，证明新修梯田土壤肥力呈现团块状分布规律，这与一般农地土壤肥力分布具有明显的区别。
Through blank experiment of terraces. it shows that the soil fertility of newly built terraces is distributed in a crumby shape which is remarkably different than that of the ordinary farm soil.
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