1) soil unfrozen depth
土壤融解深度
2) soil depth
土壤深度
1.
The results show that after one and two hour irrigation,soil moisture is a three order polynomial of the soil depth.
结果表明:在注水1,2 h,土壤湿度随土壤深度呈3次多项式关系变化,可以根据浅层土壤信息反演深层土壤湿度。
2.
The results showed that soil organic matter,pH,total N,and available N,P and K change irregularly with tree age;total P decreases by power function;exchangeable Ca and base capacity vary by Logstic model;exchangeable Mg increases by power function;soil organic matter;total N,available N,P and K decrease by power function with soil depth;total P.
结果表明,油松林地土壤有机质、全氮、速效氮、速效磷、速效钾含量及pH值随树龄增加无确定的变化规律;土壤全磷含量随树龄增加按幂函数衰减;土壤交换性钙含量和交换性盐基总量随树龄增加按Logstic模型变化;交换性镁含量随树龄增加按幂函数递增;油松林地土壤有机质、全氮、速效氮、速效磷、速效钾含量随土壤深度的增加按幂函数衰减,土壤全磷、交换性钙和交换性镁含量及交换性盐基总量随土壤深度增加无确定变化规律,但土壤pH值随深度增加按幂函数增加。
3.
The results shows that: soil organic matter,pH,total N,available N,available P and available K,exchangeable Ca and exchangeable base capacity changes irregularly with tree age,total P and exchangeable Mg changes fluctuantly;Soil organic matter,total N,available N decreases by power function with soil depth,available P tends to decreases,total P,available K,exchangea.
结果表明,刺槐林地土壤有机质、pH值、全氮、有效氮、有效磷、速效钾、交换性钙和交换性盐基总量随刺槐树龄增加无明确变化规律,土壤全磷和交换性镁含量则呈现波动性变化;刺槐林地土壤有机质、全氮、有效氮含量随土壤深度增加按幂函数衰减,有效磷含量有递减趋势,土壤全磷、速效钾、交换性钙、交换性镁和交换性盐基总量随土壤深度增加无明显变化规律,而土壤pH随深度呈波动性变化;与撂荒地相比,刺槐林地土壤有机质、全氮、有效氮、有效磷、速效钾、交换性钙、交换性镁含量及交换性盐基总量分别增加21。
4) Deep soil moisture
深层土壤湿度
6) soil freezing and thawing
土壤冻融
1.
Review of the study on land surface process in soil freezing and thawing;
土壤冻融条件下的陆面过程研究综述
2.
Coupled model of moisture and heat reaction during soil freezing and thawing under environmental climate condition
环境气候条件下土壤冻融过程中湿热耦合作用模型研究
3.
Using the model of simultaneo us moisture and heat transfer during soil freezing and thawing, a numerical sumulation is carried out to the whole course of freezing and thawing in Hetao irrigation areas in Inner Mongolia Autonomous Region.
应用土壤冻融过程中水热耦合迁移模型，对内蒙古河套灌区地下水浅埋条件下整个土壤冻融过程进行了模拟，分析了越冬期土壤水热迁移规律。
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