Natural fertility of soil is the gradual product of natural and historical process.
土地自然肥力是自然历史过程的产物；
Smoking cessation may improve natural fertility and success rates with infertility treatment.
戒咽可改进天然生育力和不孕症医疗的获胜率。
Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops.
肥料能提高土壤的肥力，或补充土壤中被以前作物吸收的化学元素。
Forest soil fertility mainly relies on maintaining and resuming natural fertility and combines with artificially applying fertilizer.
森林土壤肥力以维持和恢复自然肥力为主，人工施肥为输。
Effect of plant density and fertilizer application on plantain yield in two soils from Colombia with different natural fertility is shown (Table 2).
表2说明了在哥伦比亚的两种不同天然肥力土壤上种植密度及肥料用量对大蕉产量的影响。
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。
Despite their "natural" origins, they are not free of potential side effects, such as high blood pressure, digestion trouble, fertility problems and depression.
尽管它们来源于“自然界”，但它们不能摆脱潜在的副作用，如高血压，消化麻烦，生育问题和抑郁症等。
Since those who cannot breed are, evolutionarily speaking, dead already, natural selection does not usually design bodies that outlive their own fertility.
既然那些已经不能生育的人在进化论的意义上说，已经死亡了。自然选择通常不会设计出结束生育后仍然存活的生物。
If he chooses to stop taking the drugs, he will undergo natural male puberty at a later stage and his future fertility would not be impacted.
如果他选择停药，他将会在下个阶段进入男性青春期，而他将来的生育能力也不会受到影响。
Who knows what fertility and beauty, moral and natural, are there to be found?
谁知道在那儿能发现怎样的富饶和美丽、怎样的精神享受和天然奇景？
Based on this conclusion, the paper deduced that it is possible to restore the nitrogen fertility under natural condition.
据此结论，该区域可在自然条件下恢复土壤氮素肥力。
As the management term of pure bamboo stands prolonged the natural soil fertility declined, which resulted from the growth characteristics of pure bamboo forest and the management methods.
毛竹纯林随经营期的延长，其土壤的自然肥力呈下降趋势，这是毛竹纯林的生长特性和经营方式决定的。
Natural soil fertility is dropping in many areas because of continuous industrial fertilizer and pesticide use, while the growth of algae is increasing in lakes because of the fertilizer 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地越来越快。
The southern polder area of China has fertility soil, variegated rivers and plentiful natural resources.
我国南方圩区土壤肥沃，水网密布，资源丰富。
Natural gourd houses many seeds inside, as well as fertility, household exuberant.
天然葫芦内藏有许多种籽，也象征多子多孙、人丁旺盛。
Natural gourd houses many seeds inside, as well as fertility, household exuberant.
天然葫芦内藏有许多种籽，也象征多子多孙、人丁旺盛。
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