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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 comprehensive evaluation of soil fertility status for tobacco-growing areas in Hu'nan province 湖南省主要植烟区土壤肥力状况综合评价
- Study on Spatial Distribution of Soil Quality and Quantitative Evaluation of Soil Fertility Quality under Middle Spatial Scale 中等尺度上土壤肥力质量的空间分布研究及定量评价
- evaluation of soil fertility 土壤肥力评价
- Evaluation of soil fertility and recommendation of fertilizer application for standard palely in Xiuzhou county Jiaxin 秀洲区标准农田地力现状与培肥改良对策
- 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 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。
- Observation and evaluation of soil fertilizer for standard palely in Yueqing city 乐清市标准农田地力现状调查
- 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。
- Integrated evaluation of soil nutrients in modern agricultural demonstration garden of Dongyang county. 东阳万亩园区土壤养分综合评价研究
- 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。
- There are some clods of soil on the mat. 垫子上有些土块。
- 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 influence of variation of the compressibility of soil before and after pollution on the evaluation of the polluted foundation soil was studied. 同时,研究了土在污染前后压缩性质变化对地基土的勘察评价造成的影响。
- Objective To establish a economic and short-term method of soil fertilizer through the acute health hazard in mice for acute oral toxicity evaluation. 目的观察一次经口给予小鼠土肥后,动物在短期内出现的健康损害效应,从而建立一套经济、快捷的土壤肥料急性毒性检测标准方法。
- This kind of soil contains much alkali. 这种土壤含碱丰富。