Light straw mulch or Flexterra may be applied to preserve soil moisture and aid with stabilization.
用秸秆覆盖或使用Flexterra可以保持土壤的水分，有助与稳定性。
Exceed certain quantity to turn over and reduce soil retain water to preserve soil moisture ability, for trees growth disadvantage.
超过一定量反而降低土壤蓄水保墒能力，对树木生长不利。
The plastic film mulch can increase the soil temperature, and the straw mulch can improve soil fertility. Besides above advantages, the double mulch can also preserve soil moisture.
地膜和秸秆二元覆盖既有地膜覆盖的增温作用及秸秆覆盖的肥田改土作用，又有双重的蓄水保墒效应。
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