此外，已经发现一些在提高土壤肥力方面有重要作用。
Moreover, some have been found to have a valuable function in building up soil fertility.
土壤肥力质量具有一定的差异。
Soil fertility qualities have differences in various degree.
这是保持土壤肥力的一个有效办法。
这些方法包括管理土壤肥力和减少耕作。
The methods involve soil fertility management as well as reduced tillage.
黑土开垦种植后，土壤肥力呈下降趋势。
Since fresh black soil was cultivated, soil fertility has showed a decreasing trend.
运用主成分分析选取土壤肥力变异因子。
Principal component analysis was used to derive soil fertility variation factors.
蒙顶山茶园土壤肥力质量总体水平不高。
The overall fertility level in Mengding Mountain is not high.
从土壤肥力的角度来看，这是极其重要的。
From the standpoint of soil fertility, it is of fundamental importance.
土壤肥力对向日葵的器官平衡有较大影响。
The fertility of soil had a great influence on organ balance of sunflower.
密度对小麦产量的影响比土壤肥力更为显著。
Density had more significant effects on wheat yield than soil fertility.
没有人知道这个对土壤肥力和人类产生的影响。
No one knows the consequences that will have on soil fertility and the human body.
结果表明，高、低土壤肥力具有不同的选择效应。
The results suggested that high and low fertility had different selection effects.
因此，土壤酶活性可以作为该土壤肥力的指标之一。
So enzyme activity could be used as an index for evaluation of tidal flat soil fertility.
它在土壤中能否积累取决于土壤肥力和土壤酸碱度。
Its accumulation depends on the acid value and fertility in it.
污泥对改善花生品质，保持和提高土壤肥力具有作用。
Applying sludge had positive effect on improving the quality of peanut, keeping and improving soil fertility.
随着物质投入量的增加，土壤肥力质量的恢复也逐渐加快。
With increase of matter input, the restoration of soil fertility quality was accelerated gradually.
团聚体稳定性是土壤的基本性质，反映了土壤肥力的高低。
Soil aggregate stability is a key property of soil, and reflects soil fertility.
土壤质量是土壤肥力质量、环境质量和健康质量的综合体现。
Soil quality is the comprehensive expression of soil fertility quality, environment quality, and healthy quality.
其他增大土壤肥力的策略包括作物肥田(亦作“绿肥”)、轮种和堆肥。
Other organic tactics for boosting soil quality include cover crops (aka "green manure"), crop rotation and composting.
研究从机理上揭示了多年生豆科牧草提高土壤肥力的重要作用。
The study prove that the legumes have the ability to increase the fertility of soil.
植被转移的可能原因包括降雨减少，人口增长及土壤肥力的下降。
Possible causes of the vegetation shift include declining rainfall, growing human population and decreasing soil fertility.
土壤有机质和养分（氮、磷和钾等）是土壤肥力重要的物质基础。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
这可以从有机物质、氮素的循环和土壤肥力因素的改善得到证明。
This could be confirmed by the organic matter and nitrogen circulation and the improvement of soil fertility.
免耕、垄作、秸杆覆盖相结合能改善并维护土壤结构，提高土壤肥力。
Combined measures of no-tillage, mulch straw and ridge cultivation can improve and increase soil fertility.
土壤微生物和土壤酶活性是反映土壤肥力最为重要的生物学指标之一。
Soil microorganism and soil enzyme activity is one of the most important indexes influencing the soil fertility.
土壤学家的目标是提高土壤肥力并改进土壤的化学、物理和微生物性状。
The goal of the soil scientist is to improve the soil fertility and the chemical, physical, and microbial characteristics of the soil.
轮作是应用于有机农业上的一种简单而有效的技术，能减少农药的使用和提高土壤肥力。
Crop rotation is a simple and effective technique used in organic agriculture to reduce the need for pesticides and improve soil fertility.
更为普遍的是，土壤肥力低下，耕作管理粗放，严重制约了有限降水的资源化。
More generally, the low soil nourishment and the increasing use of land to expand production on farming management strongly restrict the utilization of limited precipitation resource.
项目概况：利用家畜粪便制造的有机复合肥在提高土壤肥力的效果上远远超过化肥。
Project Overview: the effectiveness of organic fertilizer made of animal husbandry manure far surpasses chemical fertilizer to improve soil fertility.
项目概况：利用家畜粪便制造的有机复合肥在提高土壤肥力的效果上远远超过化肥。
Project Overview: the effectiveness of organic fertilizer made of animal husbandry manure far surpasses chemical fertilizer to improve soil fertility.
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