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- soil fertilizer dynamics 土壤肥力动态变化
- Effective fertilization and soil fertility dynamics in deteriorate pasture of red-soil in Yunnan-Guizhou plateau of China 云贵高原红壤退化人工草地土壤肥力变化与有效施肥技术研究
- It's an effective way to maintain soil fertility. 这是保持土壤肥力的一个有效办法。
- How do earthworms influence soil fertility? 蚯蚓如何影响土壤肥力?
- 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。
- In conclusion, the intensity of soil fertilizer loss in no - irrigated farmland is not only influenced by rainfall intensity, but also rel ated to the ways of the loss. 旱地土肥流失的强度不仅受雨强影响,而且还与流失途径有关。
- The soil fertility shows a decrease trend in cornpea rotation. 玉米、豆轮作,土壤养分均呈下降趋势。
- Influence of thinning on soil fertility in artificial forests. 抚育间伐对人工林土壤肥力的影响。
- 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。
- A green manure is a crop grown mainly to improve soil fertility. 种植绿肥作物主要是为使土壤更加肥沃。
- It is concluded that CPMI is a sensitive and practical index to reflect the impacts of agricultural measures on soil fertility and the dynamics of C pool variation. CPMI可灵敏地反映农业生产措施对土壤肥力、土壤碳库动态变化的影响。
- Strip check space varies with plot slope, soil fertility and irrigation. 条畦宽度随地块坡度、土壤肥力和灌溉而变化。
- The paddy?upland system increased clay dispersion content and soil fertility. 水旱轮作可增加土壤黏粒含量,提高高沙土肥力水平;
- Ma J Y, Li K J, Cao C Y, Zheng C L.Effect of long-term located organic-inorganic fertilizer application on fluvo-aquic soil fertility and crop yield. 马俊永;李科江;曹彩云;郑春莲.;有机-无机肥长期配施对潮土土壤肥力和作物产量的影响
- 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。
- Effect of employing different fertilizer in the upland yellow soil and the sandstone yellow soil on tea garden edaphon and soil fertility and tea yield was studied. 在山地黄壤和砂岩黄壤中施用不同肥料种类,了解对茶园土壤中微生物种群和土壤肥力及茶叶产量的影响。
- Thus it was concluded that combining application of organic straw and chemical fertilizer could improve the fluvo-aquic soil fertility and increase crop yield. 结果表明,有机-无机结合较单一施用秸秆肥或化肥能更有效地提高潮土的土壤肥力,提高作物产量。
- Water and fertilizer were supplied during the intercropping,or the soil fertility would have been declined because nutrition was moved out of soil with the products harvested. 但生产中需要加强水肥管理,否则会因收获物带走养分而造成土壤肥力下降;
- Lin Q,Hou L B,Han W.Effects of nitrogen rates on grain yield and quality of wheat in different soil fertility[J].Plant Nutrition and Fertilizer Science,2004,10(6):561-567. [5]林琪;侯立白;韩伟.;不同肥力土壤下施氮量对小麦子粒产量和品质的影响[J]
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。