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- common soil fertility 普通土壤肥力
- 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?
- 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。
- 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;
- 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。
- Ingham claimed that a GM version of a common soil bacterium could spread and destroy plants if released into the wild. 而英格海姆声称,若将普通土壤细菌的转基因变异体置于自然环境之中,其变异体将蔓延滋长并破坏植被。
- Nothing living can blossom into fruitage unless through nourishing stalks deep-planted in the common soil. 所有生命,除非从深深根植于普通土壤里的梗茎中汲取养分。
- Compare with common soil photograph, it still has not incur mosquito, absorb peculiar smell, release aroma (put perfume first) the effect. 与普通土壤相比,它还有不招惹蚊虫、吸收异味、释放香气(先放入香水)的效果。
- Up from the common soil, up from the quiet heart of the people, rise joyously to-day streams of hope and determination bound to renew the face of the earth in glory. 从普普通通的土壤里,从人民沈静的心灵里将升腾起今日幸福之流、希望之流、决心之流,它们必定会使大地旧貌换新颜,增添一片光辉。
- Application of Integrated Fertility Index Method in Evaluating Changes in Soil Fertility. 应用指数和法对潮土农田土壤肥力变化的评价研究。
- With the parameters of common soil laboratory test data,c,f,g,t-u,the defomation modulus Eo of foundation is established by the relation between Eo and N from plate loading tests. 采用常规的土工室内试验资料中的c,f,g 等参数以及t-u的关系,并根据大量现场压板试验资料整理的Eo-N的关系,确定持力层的变形模量Eo;
- 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。
- The tailing is different from common soil in the relation of the physical and mechanical properties (such as dry density and strength) with the stockpiling depth. 尾矿的物理力学性质如干密度、强度等与其堆存深度关系的密切程度与一般的土有较大的区别。
- Effect of long-term fallow and cultivation on soil fertility in rice-based cropping system. 水旱轮作地区土壤长期休闲与耕种的肥力效应。
- Robinia pseudoacacia was better than Pinus tabulae formis in enhancing the soil fertility. 在树龄相同的条件下刺槐林对土壤培肥效应优于油松林。