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- 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。
- 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。
- factor of soil fertility 土壤肥力因子
- 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。
- 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。
- They are soilparent material, bioclimate, landform, time of formation, man-made factorand guiding factor of soil formation. 分析了起主导作用的成土因素是成土母质与地貌。
- 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。
- Organic matter which has the maximum of path coefficient and determinative coefficient is the main factor of soil nutrients affecting soil... 有机质对尿酶活性的直接通径系数和决定系数值均最大,成为影响尿酶活性的主要因素。
- 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。
- The determinate factor of our economy is to control inflation. 我们经济的决定性因素是控制通货膨胀。
- The primary factor of soil erosion is the erosion of Yanshan Period granite, the secondary factor is heavy rainfall, and the inducing factor is human activity. 水土流失产生的主导因素是燕山期花岗岩分布的丘陵区岩体结构遭到破坏；从属因素是持续强烈的降雨，从而加剧了水土流失；激发因素是人类工程活动对地质环境的破坏。
- 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。
- 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。
- In west area, the efficient farming technique can change slope landforms, reduce soil erosion, increase the ability of soil conservation, improve soil fertility and increase crop yield. 在西北干旱地区实施有效的耕作技术，对改变坡面微地貌、减少土壤侵蚀、增加土壤抗性、蓄水、保土性能、培肥地力和提高作物产量均有显著作用。
- This is the basic factor of the advance in price. 这就是涨价的基本原因
