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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。
- increasing of soil fertility 提高土壤肥力
- With the increasing of nitrogen rate, the curves of RVA profile decreased under the high, middle and low soil fertility levels. 两供试品种在高、中、低三种地力水平上,RVA谱曲线均随施氮量的增加而降低。
- 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。
- The results showed that: with the increasing of Beta-cyfluthrin concentration, the species and quantities of soil animals were decreased remarkably. 结果表明:随着氯氟氰菊酯处理浓度的提高,土壤动物的种类和数量显著减少;
- 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。
- The results indicated that the leaching of acid rain led to increasing of latent acid of soil in short time though amortizing of soil to acid precipitation. 结果表明 ,虽然土壤对酸性降水的致酸作用具有一定的缓冲性能 ,但酸性降水仍能在短期内导致土壤潜在酸增加 ;
- 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。
- Aerated soil was favorable for the increase of soil catalase activity. 通气良好有利于提高土壤过氧化氢酶活性.
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- The results show that the growth and metabolism of SRB increase with the increasing of humidity of soil. 结果明: 土壤湿度对菌类生长表的影响是显著的, 硫酸盐原菌量随着湿度的提高有递还增现象;
- 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。
- The increase of production is evidence of that. 生产的增长就是这方面的例证。