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- Contribution of soil fertilizer to crop yield 地力贡献
- The Impact of Soil Fertility on the Yield of Phyllanthus Emblica L. 土壤肥力对余甘子产量的影响。
- Contribution of soil fertility 地力贡献
- The status of soil aggregates is an important factor affecting soil fertility. 土壤团聚体和水稳性团聚体的状况是影响土壤肥力的一个重要因素。
- It's rich there because of the fertility of soil. 因为土地肥沃，那儿很富裕。
- Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge. 城市污泥对退化森林生态系统土壤的人工熟化研究。
- Because of the and improvement of soil fertility aeration,the absorption of N, P, and K nutrients by rice plant was improved in same manner. 而且由于土壤肥力的提高以及土壤通气状况的改善,也促进了水稻对N、P、K养分的吸收。
- The conclusion is: different behaviors of the G. pentaphyllum populations have different sensitivities to the change of soil fertility. 总之,绞股蓝种群的不同行为对土壤肥力变化的敏感性各异。
- percentage of soil fertility contribution to crop yield 地力贡献率
- The correlation among soil microorganism quantity, enzyme activity and soil nutrient content is the significant, it can be used as evaluation index of soil fertility. 土壤微生物数量、酶活性与土壤养分间呈显著相关关系，可作为评价土壤肥力的指标。
- The most important problems research had to solve were: (1). build-up and maintenance of soil fertility; (2). avoid soil hardpan and (3). control soil erosion. 研究要解决的最重要问题是：（1）积累和维持土壤肥力；（2）避免土壤硬磐；（3）控制土壤侵蚀。
- Since the urease activity in soil is close correlated with the growth of stem lump mustard and soil metabolism, which is a key indicator of soil ecology and soil fertility. 土壤脲酶活性高低反映出茎瘤芥生长和土壤代谢状况，可作为茎瘤芥土壤生态和肥力水平的一个良好指标。
- Recently, much attention has been paid to soil fauna because they play an important role in nutrient cycling as a potential bioindicator of soil fertility in the forest ecosystem. 土壤动物群落是土壤生态系统的重要组成部分之一，是森林生态系统物质循环和能量流动的参与者与推动者，对森林土壤生态系统的形成、发育以及肥力的提高具有重要作用。
- There are some clods of soil on the mat. 垫子上有些土块。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- On the other hand,the contribution of day schools can't be ignored. 另一方面，日制学校的贡献是不能忽视的。
- Higher nematode densities were found under V.zizanoides cv.Karnataka and hybrid pennisetum,indicating that the two species have good potential for the improvement of soil fertility. 在所选的植物中,Karnataka和杂交狼尾草在土壤改良和土壤生物学效应方面有更好的潜力。
- I make a contribution of $100 to the famine relief fund. 我向救灾基金会捐献了一百元钱。
- Clods of soil stuck to the spade. 土块黏在铁铲上。
- On the other hand, the contribution of day schools cant be ignored. 另一方面,日制学校的贡献是不能忽视的。
