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- Through field investigation and soil fertility index analysis, causes and mechanism of fertility degradation of black soil in the Songliao Plain were explored. 摘要通过田间调查和土壤肥力指标分析，探讨了松辽平原玉米带黑土肥力退化的原因和机理。
- Effect of Nitrogen Application Combined with Potassium on Ginger Yield and Lime Concretion Black Soil Fertility 氮钾配施对生姜产量和砂姜黑土肥力的效应
- Effects of Organic Soil Fertility Improving Material in Black Soil on Soil Productivity and Fertility 黑土有机培肥对土地生产力及土壤肥力影响研究
- Rich black soil; black, wavy hair. 肥沃的黑土; 黑色卷发
- 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?
- Rich black soil;black, wavy hair. 肥沃的黑土；黑色卷发
- 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。
- Beans onions and rice grow in the black soil of the delta. 豆洋葱以及稻米生长在河口附近的黑色土壤里。
- 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。
- No one can successfully replicate the black soil so far. 目前为止还没有人能够成功地复制黑土壤。
- Bud drop under the tree already only soft, black soil. 树下的落芽早已扫尽，只有柔软的黑土。
- 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。
- Analysis on water-adjustment capacity of black soil in the farmland. 农田黑土水分调节能力分析。
- 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。
- 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。
