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- soil water content variance 土壤水分变化
- Rainfall made soil water content uniform, decrease the coefficient if variance, and then decrease the reasonable sampling numbers. 降雨有使土壤含水量分布均匀,降低变异系数,从而减少合理取样数目的作用。
- An increase in soil water content would decrease their movement. 土壤水分含量的增加将减低它们的移动。
- The value of Q10 of soil respiration increased with soil water content. 土壤水分含量的增加可增加土壤呼吸的Q10。
- On the basis of the isograms, we analyzed the variation law of yield and grain protein content with soil water content, nitrogen and P2O5,. 用等值线图描述产量和蛋白质含量的水氮和氮磷两因素效应,分析产量和蛋白质含量变化规律及其关系,确定实现一定生产目标的水肥管理方案。
- Relationship between soil water content and water use efficiency of apple leaves. 土壤含水量与苹果叶片水分利用效率的关系。
- The effect of yield and grain protein content with soil water content and nitrogen (or nitrogen and P2O5) was described by isopleth. 用极差变换将产量和蛋白质含量理论值标准化,其标准值曲线的交点即为二者的最佳结合点。
- Under conventional till, crop response to spring soil water content was considerably greater than under zero till. 在常规耕作条件下,春季作物对土壤水份含量的响应要比免耕地大得多。
- The later the point outcrops, the lower its topography is, and the higher soil water content is. 越晚出露的点,地势越低,土壤含水量越大。
- There was significant influence of soil water content on water potentials and photosynthesis in ginger leaves. 土壤水分与生姜叶片水势及光合速率关系密切。
- Effects of relative soil water content on the content of hormone in pistachio seedling leaves were investigated. 研究了土壤相对含水量对阿月浑子叶片内源激素含量的影响。
- The studies on the effects of temperature and soil water content for the number of Oribatida and Collembola were made. 对不同温度和土壤含水量甲螨和跳虫数量的关系进行了实验观察。
- The effects of ecomat on soil water content and nutrients of woodland were more remarkable in winter and spring than in the other two seasons. 尤其在冬季和春季,生态垫对土壤水分含量影响显著;
- The influence mechanism of soil ESP on soil cohesive force is complicated and its effect decreases with the increase of soil water content. 土壤内摩擦角随着土壤含水率的增加而线性减小。 土壤碱度对土壤黏聚力的影响机理较为复杂,其影响效果随土壤含水率的增加而减小;
- With ecomat, soil water content was 17.4% higher in the soil layer of 0-20cm and 8.9% higher in the soil layer of 20-40cm. 研究发现,在试验地内铺设生态垫后对于土壤理化性质和植物生长指标均有影响。 0-20cm土壤含水率提高17.;4%25,20-40cm土壤含水率提高了8
- 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;
- According to the characteristics of conservation tillage, the effect of residual cover on soil water content and roughness was considered. 针对保护性耕作的特点,考虑到残茬覆盖对土壤含水量和地表粗糙度的影响;
- The key irrigation time was related to soil water content before sowing, precipitation during crop growing and the precipitation distribution etc. 作物生育期间的灌水关键期与土壤底墒、作物生育期降水量和降水的时间分布等因素有关。
- Heathman G,Starks P,Ahuja L,et al.Assimilation of surface soil moisture to estimate profile soil water content[J].Journal of Hydrology,2003,279:1-17. 赵文智.;科尔沁沙地人工植被对土壤水分异质性的影响[J]
- Yates, S.R., and A.W. Warrick (1987) Estimating soil water content using cokriging: Soil Sci. Soc. Am. J., Vol. 51, p. 23-30. 李咸亨(1980)台北盆地土壤剪力波速之回归分析探讨。中国土木水利工程学刊,第13卷,第5期,第519-532页。