Mulching is one of the best things people can do for their gardens. It helps keep the soil from getting dry, so it reduces the need for watering. It also limits temperature changes in the soil.
土壤覆盖是人们可以为自己花园作的最好事情之一，它保持土壤不会变干，从而也减少了对水的需求量，它还限制土壤的温度变化。
There was no significant difference of rice grain yields between the treatments of straw mulching and plastic film covering but the cost and soil pollution in the latter should be concerned.
覆膜处理虽在产量和水分利用效率上略高于盖草处理，但差异不显著，且覆膜处理存在成本高，污染土壤等缺陷。
Along with mulching fixed number years lengthening, because of remains film recovery rate is low, the amount of remains film in the soil progressively increase and cause film pollution.
随着地膜覆盖栽培年限的延长，由于残膜回收率低，土壤中残膜量逐步增加，造成地膜污染。
Mulching wheat stalks into soil can maintain soil moisture, reduce soil temperature, increase soil microbe amount. But the treatment with stalks burned has no the effects.
小麦秸秆直接覆盖还田有助于保持土壤水分，降低土壤温度，增加土壤表层微生物量，而秸秆焚烧还田的作用不显著。
Mulching and applying manures to improve the soil and the nutrient absorbability of the tree;
覆盖培肥改良土壤，提高橡胶树对养分的吸收能力；
The results showed that the plastic film mulching could improve the soil moisture and heat condition in the rhizosphere of rape.
结果表明：地膜覆盖能显著改善油菜根际的水、热状况。
This overview summarizes the effects of sown grass or organism mulching on orchard soil water, nutrients, air, temperature, microbes and enzymes.
综述了生草或生草后刈割覆盖园地对果园土壤水、肥、气、热、土壤微生物、土壤酶等肥力因子的影响。
Soil surface mulching also had considerable effects on soil environment, but the effects varied with different modules.
此外，地面覆盖对土壤环境也具有重要影响，但不同处理之间差异较大。
Therefore it is the effective way to protection and recovery soil fertility through comprehensive controlling soil erosion and mulching with film and interplanting in the sloping farmland.
因此，进行水土流失综合治理、坡耕地覆膜套种等是保护与恢复土壤肥力的有效途径。
The mulching effect decreased with the increase of soil depth.
随土壤深度增加，覆盖的增温效果下降。
Based on the field experiment, the effects of cultivation technique of water collection by mulching upon the soil water content, yield of flue-cured tobacco field and WUE were studied.
采用田间试验研究了覆盖集水栽培措施对烟田土壤含水量、烤烟产量及水分利用效率的影响。
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。
The thicker the straw mulching, the more significant the effect. But the effect was limited by soil aridness and growth stage of maize.
稻草覆盖可减轻玉米旱害，其效果随着覆盖量的加大而越明显，但受干旱程度和生育期影响。
Through fixed field experiment and determinations of soil moisture, the field water utilization efficiency of wheat and rape seeds was discussed under no tillage and straw mulching.
通过田间定位试验和土壤水分的测定，探讨了免耕和秸秆覆盖还田对小麦、油菜土壤水分利用效率的影响。
Therefore, straw mulching is an efficient measure to maintain and improve the regime of soil nitrogen nutrition.
因此，秸秆施用是保持和提高土壤氮素营养的有效措施。
Straw mulching, cultivating and hoeing, regulating the root distribution in the topsoil are effective measures to reduce the soil evaporation.
秸秆覆盖、中耕锄划、调控表层土壤根系分布等可作为减少土壤蒸发的有效措施。
Straw mulching improved the quantity of soil microbe and activity of soil microbe.
秸秆覆盖增加了梨园土壤微生物的数量，增强土壤微生物活性。
The wheat planting and film mulching all increased the soil phosphatase activity and N2O emission flux, applying fertilizer could enhance the phosphatase activity.
农田种植小麦和覆膜均增加了土壤磷酸酶活性和N2O的排放。
However, the difference of soil moisture increase with the soil depth among 4 mulching materials. All mulching can decrease soil unit weight. And straw mulching has the most effects.
随着土壤深度增加，不同覆盖处理之间土壤水分含量差异增大。4种材料覆盖均有利于降低土壤容重，其中以秸秆效果最显著。
Soil critical moisture for seeding under mulching was studied by indoor and outdoor experiments.
通过室内外试验，对秸秆覆盖条件下播种的土壤临界含水率进行了试验研究。
The annual variation of soil temperature under mulching changed more smoothly than that of the control (CK), so the differences among the soil layers were small.
覆盖处理后土壤温度年变化较对照平稳，其各土层的温度日较差较小。
The effects of the irrigation with fresh and brackish water on soil and the growth of cotton were studied under wheat straw mulching.
该试验在麦秸覆盖条件下，研究了不同矿化度的微咸水灌溉对土壤和棉花生长的影响。
The soil salt contents were increased in all growth stages of rice with film mulching cultivation, especially in panicle initiation stage and harvesting stage.
各生育期土壤盐分含量有所增加，尤以幼穗分化期、收获期为甚。
As the radiation to the ground was blocked by the straw mulching, the soil temperature decreased as the quantity of the mulched straw increased.
秸秆覆盖阻挡了太阳辐射向地面的传播，土壤温度也随着覆盖量的增加而下降。
The plastic mulching irrigation is an important technique in dryland farming, which can increase temperature and conserve soil moisture.
地膜覆盖具有增温和保墒的作用，是旱作农业的一项重要技术。
The effects of concret mulching on evaporation, transpiration, evapotranspiration, soil salt, yields of cotton and corn, water use efficiency were studied by field experiments.
通过田间定位试验，研究了水泥硬壳覆盖对盐渍化土壤蒸发、作物蒸腾、土壤盐分变化、作物生长发育状况、产量及水分利用效率的影响。
The effects of concret mulching on evaporation, transpiration, evapotranspiration, soil salt, yields of cotton and corn, water use efficiency were studied by field experiments.
通过田间定位试验，研究了水泥硬壳覆盖对盐渍化土壤蒸发、作物蒸腾、土壤盐分变化、作物生长发育状况、产量及水分利用效率的影响。
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