查询词典 soil mulch

Mulch is a protective cover of material that is spread on top of soil.

覆盖物是撒在地表的一层起保护作用的物质。

Effect of coloured plastic film mulch on soil temperature, onion growth and yield were investigated in this study.

研究了有色地膜覆盖的温度效应及其对洋葱生长发育和产量的影响。

Sown grass mulch in orchard ; longan ; soil fertility ; growth〖HJ*2/7;

果园生草；龙眼；土壤肥力；生长

Influence of Transparent Film Mulch, Soi1 Type and Organic Soil Amendmenton on Temperature of Soi1 under Solarization for root-knot Nematode Control

太阳能加热防治根结线虫时覆膜、土壤类型与有机物对土壤温度的影响，侯茂林；刘晓英-66文免费论文库，大学生论文库

In order to investigate the long-term effect of mulch-drip irrigation on the chemical properties of salt-affected soils by the method of time-space transformation. The characteristics of salinity and salt ions distribution in 0～150 cm soil profile in the fields with corn planted for one year and two years. At the same time, the uncropped saline waste land adjacent to the experimental site was taken as the control.

为了研究长期覆膜滴灌对土壤化学性质的影响，该文通过时空转化的方法研究了覆膜滴灌种植春玉米1a和2a的盐碱地土壤盐分及盐分离子在0～150 cm土壤剖面上的分布特征，同时以试验地附近未种植的盐碱荒地作为对照。

The siol water of mulch with veil had run to suppercrust,the soil water of multiple treatments were higher in different depth.

覆膜处理下土壤水分都有向表层聚集的现象；各深度测定点都以多重处理的土壤水分含量最高。

As a result, mulched soil will be cooler in the summertime. And in winter, it may not freeze as deeply as areas without mulch.

其结果是，被覆盖的土壤在夏季会较凉爽，而在冬季，不会让土壤像没有盖土的区域一样冻得那样严重。

The infrared-transmitting mulches provide the weed control properties of black mulch and are intermediate between black and clear mulches in terms of increasing soil temperature.

红外线透性薄膜有黑色薄膜那种控制杂草的特性，在增加土壤温度方面介于黑色与透明薄膜之间。

The history and present situation in application and reseache on various kind of mulches in plant cultivations was reviewed, evaluated and conclusion drawn as such: target orientated studies by simulation method on how mulch material and mulching technology effect on the light performance and the soil moisture, heat and salt transport are of high priority.

本文对各种地面覆盖材料在作物栽培中应用与研究的历史和现状进行了回顾、讨论和分析，得出了以下结论：覆盖材料对作物效应的研究，关键在于弄清不同覆盖材料及不同覆盖工艺对光及土壤水、热、盐运移的影响规律。

Metal bow rakes should be use for the heavier jobs like grading soil and pushing mulch.

金属机具应鞠躬喜欢用等级的土壤和繁重的工作推复盖。

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。