肥力，指土壤肥沃的程度。土壤肥力是一种天然的能力，并非施了化肥才具有肥力。它是指能同时并不断地供应和调节植物在生长过程中所需的水分、养分、空气和热量的能力。
土壤肥力 [土壤] soil fertility ; Soil ; soil fertilizer ; fertility
自然肥力 [土壤] [肥料] natural fertility
潜在肥力 [土壤] potential fertility ; inherent fertility
肥力等级 fertility degree ; [土壤] fertility grade
有效肥力 [土壤] effective fertility
无穷的土壤肥力 inexhaustible fertility of soil
潜在土壤肥力 potential fertility of soil
土壤生物肥力 soil biological fertility
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。
参考来源 - 期刊学术社区So accelerating the leaf litter decomposition is an important way to avoid the fertility recession and keep the soil fertility.
所以加快雕落物的分解,是防止森林地力衰退、维持土壤肥力的重要途径。
参考来源 - 四川岷江上游典型森林生态系统凋落叶分解及其与土壤性质的互动·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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。
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.
硝酸盐和水溶性有机氮随着去离子水的迁移而迁移，并增加了土壤的肥力。
Nitrate and water-soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
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