查询词典 soil mulch

Based on the summarize of abundance of our country's and foreign literatures, this paper mainly researches on the experiments and theory analysis of soil water movement with mulch and seeding technologies.

因此，随着秸秆覆盖技术的应用，急需研究其蓄水保墒的机理，以指导机械化保护性耕作的实施。

Effects of plastic film mulch and pre-sowing soil water on growth and yield of spring wheat in semi-arid areas of Loess Plateau.

半干旱黄土高原地区地膜覆盖和底墒对春小麦生长及产量的影响，西北植物学报，24(3)： 404-411

Effects of plastic film mulch on soil microbial biomass in spring wheat field in semi-arid loess plateau.

不同时间地膜覆盖对半干旱区春小麦土壤微生物生物量的影响。

Author puts forward the definition of rainfall infiltration and soil water redistribution with mulch, and describes its physical process, illuminate its mechanism.

提出了秸秆覆盖条件下降雨入渗和入渗后土壤水分再分布的定义，并对其物理过程进行了描述，阐明了降雨入渗和入渗后土壤水分再分布的机理。

But once the seeds are planted, she does suggest covering the soil with a little mulch to protect it during rains and dry periods.

但是她建议播种后，最好在土壤上铺一点护根薄膜，在下雨和干旱的时候保护植物

Because it heats soil more than black mulch, it is used in cooler climatic zones such as in the northeastern United States.

由于透明薄膜比黑色薄膜更能提高土壤温度，所以美国东北部等较冷的气候区大多用透明塑料膜。

The effects of surface water content, rate of straw mulch, soil temperature and leaf area index on evaporation have been investigated and exponential regression model of four parameters has been set up.

从地表含水量、地表秸秆覆盖率、地温、叶面积指数四个方面探讨了对棵间蒸发的影响效果。

A 3-year-long field experiment was carried out to investigate the effects of nitrogen rate on nitrogen uptake and utilization of winter wheat and residual nitrate in soil under straw mulch.

通过田间定位试验研究秸秆覆盖条件下施氮量对小麦氮素吸收利用及土壤硝态氮残留的影响。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。