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1·Moreover, some have been found to have a valuable function in building up soil fertility.

此外，已经发现一些在提高土壤肥力方面有重要作用。

2·Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.

在很多地区，由于工业化肥和农药的持续使用，导致自然土壤的肥力正在下降，然而化肥的流入却导致湖泊中藻类生长得越来越快。

3·It's an effective way to maintain soil fertility.

这是保持土壤肥力的一个有效办法。

4·Soil fertility qualities have differences in various degree.

土壤肥力质量具有一定的差异。

5·From the standpoint of soil fertility, it is of fundamental importance.

从土壤肥力的角度来看，这是极其重要的。

6·Density had more significant effects on wheat yield than soil fertility.

密度对小麦产量的影响比土壤肥力更为显著。

7·The methods involve soil fertility management as well as reduced tillage.

这些方法包括管理土壤肥力和减少耕作。

8·Soil aggregate stability is a key property of soil, and reflects soil fertility.

团聚体稳定性是土壤的基本性质，反映了土壤肥力的高低。

9·Principal component analysis was used to derive soil fertility variation factors.

运用主成分分析选取土壤肥力变异因子。

10·No one knows the consequences that will have on soil fertility and the human body.

没有人知道这个对土壤肥力和人类产生的影响。

地力

1·By using rice varieties Wuxiangjing 14 and Wujing 15 as materials, the effects of nitrogen application on RVA profile characters under different soil fertility levels were studied.

以武香粳14和武粳15为材料，研究了不同地力水平下施氮量对稻米淀粉rva谱特性的影响。