Some characteristics of rice cultivated in aerobic soil mulched with semi-decomposed straw and plastic film and without any mulch were compared under field conditions.
通过半腐解秸秆覆盖旱作、地膜覆盖旱作、裸地旱作比较试验，研究了在田间覆盖条件下旱作水稻的生长发育以及产量形成特征。
Soil is disturbed as little as possible and is seeded directly through existing mulch cover.
尽量减少对土壤的干扰并通过现有的覆盖层直接播种。
Organic material like compost or leaf mulch can help onions grow in heavy soil.
堆肥或护根物一类的有机肥料可以帮助洋葱在难耕的土壤生长。
But even mulch has its limits. Natural resource specialists point out that weeds can be transported in mulch. This is also true of soil, grain, hay and animals.
但是，地膜也有其局限性。自然资源专家指出，杂草可以在地膜里传播，还可以通过土壤，谷物，干草和动物传播。
Moisture soil absorbs more heat than loose, dry soil covered with more mulch or vegetation.
潮湿的土壤比松散的土壤更能汲取热量，干燥的土壤用更多的护根或植物覆盖。
Mulch suppresses weeds and holds moisture in the soil.
护根物可以抑制杂草生长，保持土壤水分。
Other controls include turning over the soil, pulling the weeds or covering them with mulch made of wood, garden waste or other material.
其他手段还包括翻土，拔除杂草或用地膜覆盖它们。地膜一般由木屑、花园废弃物或其他材料制成。
Other controls include turning over the soil, pulling the weeds or covering them with mulch made of wood, garden waste or other material.
其它控制手段包括翻土、拔草或用地膜覆盖杂草。地膜一般由木屑、园林废弃物或其他材料制成。
Other controls include turning over the soil, pulling the weeds or covering them with mulch made of shredded wood, garden waste or other material.
其他手段还包括翻土，拔除杂草或用地膜覆盖它们。地膜一般由木屑花园废弃物或其他材料制成。
Moist soil absorbs more heat than loose, dry soil covered with more mulch or vegetation.
潮湿的土壤比有覆盖物或者植被的松散、干燥的土壤吸收更多的热量。
But once the seeds are planted, she does suggest covering the soil with a little mulch to protect it during rains and dry periods.
但她建议在雨季或旱季期间，一旦播种就要用少量护根物覆盖以保护土壤。
Plastic mulch increases soil temperature in the bed which promotes faster crop development and earlier yields.
塑料薄膜覆盖提高苗床的土壤温度，促进作物较快发育并提早成熟。
Soil organic matter decomposition was increased under mulch.
地膜覆盖使土壤有机质分解增快。
Compared with conventional tillage method, the mulch tillage practice increased soil water content.
与常规耕作方式相比，随着秸秆覆盖量增加，土壤水分增加。
A system consisting of soil layer, mulch layer and atmospheric boundary layer is developed and energy balance equation for each layer is derived.
建立了一个包括土壤层、塑膜覆盖物、植物冠层和大气边界层的系统，系统中的各层进行了能量平衡计算。
Combined measures of no-tillage, mulch straw and ridge cultivation can improve and increase soil fertility.
免耕、垄作、秸杆覆盖相结合能改善并维护土壤结构，提高土壤肥力。
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 simulating models about the change of soil water content under plastic mulch were established by analysing the changes of soil water balance after mulching.
通过分析地膜覆盖后土壤水分平衡的变化特点，建立了地膜覆盖前后农田土壤湿度变化的模拟方程。
Wide plastic film mulch has demonstrated obvious positive effect on soil temperature.
宽地膜覆盖对土壤温度有明显的正效应。
Mulch plants to conserve soil moisture and suppress weeds.
覆盖植物保护土壤墒情，抑制杂草。
Mulch forms a barrier between the soil and the air. As a result, mulched soil will be cooler in the summertime. And in winter, it may not freeze as deeply as areas without mulch.
盖土形成土壤与空气之间的屏障，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么深。
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。
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。
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。
The infrared-transmitting (IRT) 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。
Organic mulch protects but also improves the condition of the soil. It provides nutrients for plants. It also provides a good environment for earthworms and other helpful organisms in the soil.
有机物盖土保护且改善土壤状况，它为植物提供营养，它也为土壤中的蚯蚓及其它有益生物提供了很好的环境。
Taking bare surface as CK, this paper discussed effect of straw-mulch during wheat stage on soil water dynamic changes and yield of summer maize.
以不覆盖的处理为对照，研究了冬小麦期覆盖秸秆对夏玉米土壤水分动态变化及产量的影响。
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。
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。
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