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- eroded soil profile 侵蚀土壤剖面
- Depth of first layer of soil profile. 土壤第一层厚度。
- The top layer of a soil profile,usually contains humus. 土壤层中的顶层,通常含有腐殖土。
- A layer loss in soil profile is a sign of soil nutrient loss. 土壤剖面中A层的流失是土壤养分流失的标志。
- As this excess water ran rapidly over the surface of the ground , it eroded soil and carried dissolved nutrients out of the deforested site. 当过量的水快速流过地表时会侵蚀土壤与带走位于去森林化之处的可溶性营养物。
- Runoff of nonpoint source pollution such as fertilizers, esticides, livestock wastes and eroded soil sediment (Figure 5-23) from the land. 水流表面点源污染,像是肥料,杀虫剂,家畜排泄物还有来自海岸的侵蚀土壤沉淀物(图5-23)。
- Over-exploited water resources, deforestation and inappropriate cultivation of grasslands have dried up lakes and eroded soil. 水资源被过度取用,森林被过度砍伐,大草原被不当地耕作,已经造成湖泊干枯、水土流失。
- As this excess water ran rapidly over the surface of the ground, it eroded soil and carried dissolved nutrients out of the deforested site. 当这些超量的水快速地冲刷过地表时,它不仅冲蚀了泥土也一并溶解并挟带走该区的营养物质。
- Some of the mobilized elements may be reprecipitated at the base of the soil profile. 某些移出的养分可能在土壤剖面底层重新沉淀下来。
- Rainfall frequency and amount are thus crucial factors in determining the position of deposition in a soil profile. 降雨次数和降雨量是左右溶质在土壤剖面中沉积位置高低的决定性因素。
- Changes of nitrate-N accumulated in soil profile after changing grain crop land into vegetables land. 粮田改种蔬菜后土壤剖面硝态氮的变化。
- Dissipation increased with soil temperature and decreased with increasing depth in the soil profile. 消散随土温增加,随土壤剖面变深而减少。
- Xie B P,Niu D K.The impact of vegetation restoration to soil conditions on the severe eroded soil in south China[J].Acta Agriculturae Universitatis Jiangxiensis,2000,22(1):135-139. [3]谢宝平;牛德奎.;华南严重侵蚀地植被恢复对土壤条件影响的研究[J]
- According to the soil profile analysis,the mobility of BaA and BkF was very strong in view of the even vertical distribution. 土壤剖面研究结果表明;BaA和BkF在土壤中的垂直分布比较均匀;显示其在土壤中具有很强的迁移能力.
- During the growing period, HCO-3, Na+ and Cl-increased slightly though the total salt content within the soil profile did not increase. 生育期内土壤剖面上的平均盐分含量没有增加,但对土壤结构与作物有重要影响,Cl-、Na+、HCO-3有增加的趋势。
- According to spatial distribution of static sounding test data, the stationarity and ergodicity of the random fields of soil profile were verified. 根据静力触探实测数据,对土性剖面随机场模型的平稳性和各态历经性进行了验证。
- The Formation of Iron Crust in the Soil Profiles of Fukien,China. 福建省土壤剖面中之聚铁层
- Element analysis shows the C/H ratio of humie acid is the lowest in natural vegetation, but it is higher in the under layer than surface in the same soil profile. 元素分析结果,原始植被土壤中腐殖酸的C/H比值最低,同一土壤剖面中其比值下层高于上层。
- We confirm the accuracy and applicability of the ground penetrating radar to be used to estimate mean volumetric water content in soil profile after radar wave velocity analysis. 分析雷达波在土壤中传播速度的变化,明确基于探地雷达的土壤剖面平均含水量测定方法的适用性和准确性。
- It has been found that the moisture contents in soil were related with soil profile, open or close during setting up the orchards and the parent rock deriving the soil. 结果表明,果园土壤含水量与土壤层次、建园时开梯与不开梯以及果园成土母质有关,果园土壤含水量年变化规律与全年每月降水量有关。