您要查找的是不是：
- increasing soil acidity 增加土壤酸性
- Biological activity in a soil is influenced by soil acidity and nutrient status. 生物的活动被土壤养分含量状况所制约。
- 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。
- The interrelations between acid rain and soil ecosystem are analysed.Acid rain could change soil acidity, enhance soil toxicity, reduce soil active,destroy soil structure. 酸雨能改变土壤生态系统中土壤酸碱性，增加土壤毒害，降低土壤活性，破坏土壤结构，同时土壤生态系统影响酸雨的形成和污染。
- Also, some have a much greater capacity to resist extreme environments, such as soil acidity, salinity, flooding or heavy-metal toxicities, due to specific adaptations. 此外， 一些喝一种巨大得多的能力抵抗极端环境，例如土壤酸度，盐分，淹没或者重金属毒性，由于具体的适应。
- 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]
- Younger leaves faded green and lusterless; older leaves marginal scorch, interveinal blotchy chlorosis, necrotic patches bleaching and withering; characteristic of some soil acidity conditions. 甜菜锰和铝合并中毒：幼叶褪绿失去光泽，老叶边缘枯黄，脉间有坏死褐色斑点，接着白化，枯萎。这是酸性土壤特有的。
- 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。
- By analyzing the relation between the precipitation acidity and the SO_2 discharge intensity,soil acidity and meteorological condition,the impact factors of acid precipitation in the cities of Shandong Province were revealed. 通过分析酸雨前体物排放强度、土壤酸碱性以及气象条件对酸沉降的影响;揭示了山东省内主要城市酸沉降的影响因子.
- There are a series of ecological factors including temperature, water, oxygen, light, soil acidity and alkalinity, soil salinity, chemicals, sowing depth, and biology which affecting seed germination. 摘要种子萌发受到外界一系列条件诸如温度、水分、氧气、光照、土壤酸碱、土壤盐分、化学物质、埋深和生物条件等生态因子影响。
- 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。
- 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；
