Study of Effects of the Concrete Mulch on Movement of Soil Water and Soil Heat Transfer.
硬覆盖对土壤水热传输及作物生长发育影响的试验研究。
The research shows that the adhesive force between paper mulch and soil has a significant effect on the mulch quality.
研究表明，纸膜与泥浆的粘附力的大小对覆膜质量有重要影响。
The study of herbicide deposition on soil surface and wheat stubble in different wheat mulch conditions is conducted.
研究了不同兑水量情况下，除草剂在免耕麦茬土壤表面和麦茬上的沉积规律。
Basing on the natural condition of the soil of Heilongjiang, the no-tillage mulch planter is designed, including the option, design and confirming of parameter of the main working bodies.
本文针对黑龙江土壤自然状况，设计了主要用于小麦播种的免耕播种机，包括主要主要工作部件的选择、设计及参数确定。
Based on soil field infiltration test, the effects of corn straw mulch on freezing-thawing soil infiltration capacity are discussed.
基于大田土壤入渗试验，讨论了玉米秸秆覆盖对土壤冻融特点及入渗能力的影响。
A field experiment was conducted on a Hongyou soil of Yangling to investigate the effects of irrigation and nitrogen fertilization on wheat yield under straw mulch.
通过田间试验研究了杨凌红油土农田秸秆覆盖条件下冬小麦的水氮效应。
The experiment studied the effects of residue used as surface mulch, mix with soil and a separate horizon in soil profile on soil water and salt movement.
本试验主要研究了作物秸杆表面覆盖、垂直覆盖（混施）和隔层对土壤水盐运动的影响。
With the increase in the drip irrigation application years under-mulch drip irrigation, the soil salinization and its influence on the crops call people's attention.
随着膜下滴灌应用年限增加，农田土壤盐碱变化及对作物影响引起关注。
The research was conducted to investigate the effect of stubble and straw mulch on soil and water erosion on loess slope land by field test and rainfall simulation experiment in lab.
通过田间试验与实验室模拟降雨试验，研究了残茬和秸杆覆盖对黄土坡耕地水土流失的影响。
The research was conducted to investigate the effect of stubble and straw mulch on soil and water erosion on loess slope land by field test and rainfall simulation experiment in lab.
玉米秸秆覆盖是利用作物秸秆覆盖地表，解决保土、培肥和控制水土流失的一项旱作农业耕作措施。
The research was conducted to investigate the effect of stubble and straw mulch on soil and water erosion on loess slope land by field test and rainfall simulation experiment in lab.
玉米秸秆覆盖是利用作物秸秆覆盖地表，解决保土、培肥和控制水土流失的一项旱作农业耕作措施。
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