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- increasing soil permeability 提高土壤渗透性能
- Soil permeability of dyke strengthing by desilting is important for engineering. 淤背体土质的渗透特性具有重要的工程意义。
- The physical model tests were performed to study the influence of pipe drainage system on soil permeability,groundwater level and slope residual downslide thrust. 为了研究管网渗流系统对土体渗透性能和地下水位以及边坡剩余下滑推力的影响,进行管网渗流系统的物理模拟试验。
- The physical model tests were performed to study the influence of pipe drainage system on soil permeability, groundwater level and slope residual downslide thrust. 摘要为了研究管网渗流系统对土体渗透性能和地下水位以及边坡剩余下滑推力的影响,进行管网渗流系统的物理模拟试验。
- The taxation of coffee relative to field crops has had the unfortunate side effect of increasing soil erosion. 与对田间作物的征税相比,对咖啡的征税具有增加土壤侵蚀的不利方面的影响。
- With the extension of drought duration after rain, soil water loss tended to vary gently with increasing soil depth. 在次降雨后的持续干旱条件下,土壤水分损失随着土层深度的增加逐渐趋于平缓。
- Abstract : The increasing soil salinization limited the growth of plant, resulted in the yield and quality decline. 摘要 : 日益严重的土壤盐渍化抑制作物生长,使栽培作物产量和品质下降。
- The macromolecule polymers take effect on improving soil structure, increasing soil penetration and controlling runoff on slope. 高分子聚合物具有改善土壤结构,增加降雨入渗,调控坡面径流的作用。
- EM microbial compost could decrease soil bulk density, increasing soil water content and improving the environment of crop growth. EM微生物堆肥能在一定程度降低土壤容重,增加土壤含水量,改善作物的生长环境。
- Shuman L M.Evaluation of liming and magnesium materials for increasing soil pH and available magnesium[J].Commun.Soil Sci.Plant Anal.,1985,16(10):1053. 曹志洪主编.;优质烤烟生产的土壤与施肥[M]
- It is implied that t he main way of increasing yield of winter wheat should be increasing soil water content before sowing and promoting plant earbearing tiller in dryland. 提示旱地小麦蓄足底墒,增加土壤水分含量,促进小麦分蘖成穗是提高旱地小麦产量的重要途径。
- Study on Soil Permeability of Waste Rock Hill 阜新矸石山土壤渗透性的研究
- 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。
- 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。
- 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。
- Leaf area, leaf dry weight, spongy mesophyll thickness and the V:C ratio increased mainly with increasing soil water content. 叶面积、干重、叶肉海绵组织厚度和V/C等主要受土壤含水量的影响,并随着土壤含水量增加而增大;
- 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。
- Japanese industry is making increasing use of robots. 日本工业越来越多地使用机器人。
- Furthermore, reducing tillage increases soil carbon sequestration, compared with conventional moldboard plowing. 跟传统的板犁耕法比起来,减少犁田还可以增加土壤封存的碳。
- The individual density and group number of soil mesofauna all decreased with increasing soil depth, but the surface gathering of individual density was more obvious than that of group number. 中型土壤动物群落的个体密度和类群数随着土层深度增加而减少,但个体密度表聚性要比类群数明显;