2) Physical and chemical characteristics of soil
土壤理化特性
1.
The relativities between the physical and chemical characteristics of soil and yield and quality of cucumber were researched.
应用逐步回归和通径分析方法,对7年设施土壤理化特性与黄瓜产量和品质的相关关系进行研究。
3) Soil physics chemistry characteristics
土壤物理化学特性
4) soil physical and chemical properties
土壤理化特征
1.
The plant community properties,variation of soil physical and chemical properties and the relationship between plant community properties and soil nutrient distribution under different grazing disturbance levels were studied in Kanasi Reserve in 2006.
对不同放牧干扰强度下喀纳斯草地植物群落数量特征、土壤理化特征的变化及土壤养分分布与植物群落间的关系进行了研究,结果表明:随放牧强度的增加,植物群落高度下降,生物量减少,盖度降低,密度则在一定放牧强度内呈增加趋势;土壤容重在0~10 cm土层随放牧强度的增加而显著增加(P<0。
5) soil physical characteristics
土壤物理特性
1.
The soil physical characteristics of five main vegetation types in Daqing Mountains were studied.
对大青山5种主要植被类型土壤物理特性进行了研究。
6) soil physical properties
土壤物理特性
1.
On the basis of the experimental measurement to soil physical properties in Yangling area, the physical condition of soil is analyzed and its vertical and horizontal regularity of change are summarized, which will offer a scientific baisis for agricultural cultivation, irrigation and soil improvement in the future in this area.
通过对杨陵区土壤物理特性的实验测定 ,分析了该区的土壤物理状况 ,总结了其土壤物理特性的垂直与水平变化规律 ,为今后的农业种植、灌溉及土壤改良提供了理论依据。
2.
To find out the amelioration effect of soil physical properties on using fly ash as sandy soil amendment,we compared the effect of different fly ash application rate(0%,10%,20%,30%,40%) on the soil physical properties and structure by means of simulated experiment in laboratory In this study.
研究表明,施用粉煤灰能有效的改善沙质土壤物理特性,增强沙土水分利用效率。
3.
Analyzing the influence degree of soil physical properties on SDI emitter discharge has important theoretical and practical application values to SDI hydraulic calculation and design.
地下滴灌灌水器流量由于受到土壤因素的制约而比地表滴灌流量有所减小,研究土壤物理特性对地下滴灌灌水器流量的影响程度对地下滴灌水力计算与工程设计具有重要的理论和实用价值。
补充资料：土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条