It is one of hotspots in soil erosion researching that how soil erosion affects soil productivity.
土壤侵蚀对土壤生产力的影响是当前水土保持领域界的研究热点。
In the red soil region, irrational land use has resulted in serious water and soil erosion and a decrease in soil productivity.
红壤地区长期以来,由于不合理的土地利用,导致了严重的水土流失,土壤生产力下降。
The serious soil erosion of the Loess Plateau has led to not only the reduction of soil productivity but also the soil degeneration.
黄土高原土壤侵蚀极其严重,这不仅导致了土壤生产力的降低,同时也导致了土壤的退化。
Through the classic year's analysis, it is proved that the soil nutrient situation be the main factor for effecting on soil productivity of hillside fields.
通过典型年样本分析,证明土壤养分状况是影响坡耕地生产能力的主要因素;
The input of NPK as either organic manures or chemical fertilizers not only greatly improved soil productivity but also was of benefit to the soil as a carbon sink.
试验结果表明:以有机肥或以化肥形式配合施用NPK不但可以极大提高土壤生产力,而且有益于增加土壤有机碳储量。
An understanding of the nature of these characteristics is an essential prerequisite to the study of soil profiles, soil types, soil productivity, and soil management.
了解这些特性是对土壤剖面、土壤类型、土壤生产力和土壤管理进行研究的一个必要的先决条件。
In the total rate, the contribution of variety change, cultural improvement, the application of fertilizer, and soil productivity was 54%, 36%, 15%, and 27% respectively.
其中,品种更换、栽培技术改进、施肥水平与地力变化和三因子综合作用对产量增长的贡献分别占54%、36%、15%和27%。
Site level in Hexi-corridor area was divided into 4 types by comprehensive analyzing the growing stock of stand and soil productivity of all kinds of farmland shelterbelt.
通过对各土类农田防护林林分蓄积生长量和土壤生产力的综合分析,把河西走廊立地级划分为四类。
As the main reason for the worse water quality, agricultural non-point pollution, which also causes soil productivity to degenerate directly, is tightly related with the hydrological process.
农业非点源污染是水系或水体水质恶化的最主要原因,同时也是土地生产力退化的直接动因,农业非点源污染又往往与流域水文过程具有不可分割的关系。
Soil productivity is strongly linked to SOC because SOC plays important roles in improving soil structure, soil water holding, infiltrating and capacities, and the nutrients supply to plants.
SOC在改善土壤结构、保持水分、防止土壤侵蚀和退化、提供植物养分特别是氮素等方面具有重要作用。
Mixed plantation can be used to prevent soil productivity from deterioration in the repeated pure plantations. Some problems of the application of mixed plantation are also discussed in this paper.
针对目前人工纯林地力衰退的问题,提出了混交林可作为防止地力衰退的途径,并对混交林应用上的有关问题作了探讨。
Certain irrigation practices degrade soil quality and reduce agricultural productivity.
某些灌溉措施会降低土壤质量,降低农业生产力。
Frequent tillage can often destroy the organic balance of soils resulting in soil degradation and poor productivity over time.
频繁的耕作往往会破坏土壤的有机平衡,逐渐导致土壤退化和生产力不足。
Soil erosion threatens the productivity of land in both rich and poor countries.
土壤侵蚀无论在富国还是穷国,都会威胁到土地的生产力。
The stuck soil in bucket of shovel loader affects directly its productivity.
装载机铲斗内的粘附积土,直接影响其生产率。
By ploughing deep, the productivity of the soil can be greatly increased.
经过深耕的要领,土地的生产率可以大地面进步。
Because of limited suitable and with lower productivity level, the excessive acidic soil is used to serve as the land resources that agriculture produce unwillingly.
对于强酸性土壤而言,由于其有限的适宜范围和较低的生产力水平,一向被认为是不宜用于农业生产的土地资源。
The effects of thinning on forest growth embodied some aspects which mostly include the effects on stand productivity, stand factors, stand biomass, vegetation and shrubs under-forest, soil and so on.
抚育间伐对森林生长的影响体现在很多方面,包括对林分生产力及其林分因子、林下植被及灌木、林下土壤和天然更新影响等方面。
The results shown that after cucumber harvest, there was significant difference in different cropping model on soil bio-characteristics and system productivity.
结果表明,冬春茬黄瓜收获后采用不同的种植模式,其系统生产力与土壤生物特性发生明显变化。
Soil organic matter is a very important part of forest ecosystem productivity, and is also a very important tache of biological cycling in forest ecosystem.
土壤有机质为森林生态系统生产力构成的重要部分,是森林生态系统生物循环中的重要环节之一。
The interaction could enhance soil fertility effectively, improve nutrient status in soil and nutrient absorption in the rhizosphere, and also maintain plant productivity.
互作可以有效地提高土壤肥力,改善土壤的养分状况和根际养分吸收环境,维持植物生产力;
Recycled food organics are composted to produce a valuable soil conditioner product to improve the health and productivity of our soils.
回收食物中的有机物可以形成有效的土壤调节产物,改善土壤的养分和生产力。
Caption: Mali, 2001. Women caught in a sand storm. Dust storms cause soil loss - in particular the loss of the nutrient-rich lightest particles - reducing agricultural productivity.
描述:2001年,马里,一群妇女遭遇了沙尘暴。沙尘暴造成土壤流失,特别是富含养分的最轻微粒的流失,降低了农业生产力。
The soil area from the bearing function to the productivity function is 55.82 hm2 and to the ecological environment function is 0.53 hm2.
从承载力功能的土壤转向生产力功能的面积为55.82公顷,转向生态环境功能的为0.53公顷。
Grazing not only directly affects above ground part of grass communities and grassland soil, also indirectly influences underground productivity and material turnover.
放牧作为一种干扰因子,通过对群落地上部分和土壤的影响,导致地下部分的生产力和物质周转率的变化。
In this study, the method of actuarial investigation of forage productivity and soil moisture on artificial pasture combined with numerical simulation value by dynamic crop model were used.
本研究主要采用黄土高原典型气候区大面积的野外人工草地生产力和土壤水分的实地调查和计算机系统动力学模型数值模拟研究相结合的方法。
In this study, the method of actuarial investigation of forage productivity and soil moisture on artificial pasture combined with numerical simulation value by dynamic crop model were used.
本研究主要采用黄土高原典型气候区大面积的野外人工草地生产力和土壤水分的实地调查和计算机系统动力学模型数值模拟研究相结合的方法。
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