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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. 摘要通過(guò)田間調查和土壤肥力指標分析，探討了松遼平原玉米帶黑土肥力退化的原因和機理。
- Effect of Nitrogen Application Combined with Potassium on Ginger Yield and Lime Concretion Black Soil Fertility 氮鉀配施對生姜產(chǎn)量和砂姜黑土肥力的效應
- Effects of Organic Soil Fertility Improving Material in Black Soil on Soil Productivity and Fertility 黑土有機培肥對土地生產(chǎn)力及土壤肥力影響研究
- Rich black soil; black, wavy hair. 肥沃的黑土; 黑色卷發(fā)
- It's an effective way to maintain soil fertility. 這是保持土壤肥力的一個(gè)有效辦法。
- How do earthworms influence soil fertility? 蚯蚓如何影響土壤肥力?
- Rich black soil;black, wavy hair. 肥沃的黑土；黑色卷發(fā)
- The soil fertility shows a decrease trend in cornpea rotation. 玉米、豆輪作，土壤養分均呈下降趨勢。
- Influence of thinning on soil fertility in artificial forests. 撫育間伐對人工林土壤肥力的影響。
- Beans onions and rice grow in the black soil of the delta. 豆洋蔥以及稻米生長(cháng)在河口附近的黑色土壤里。
- The Impact of Soil Fertility on the Yield of Phyllanthus Emblica L. 土壤肥力對余甘子產(chǎn)量的影響。
- A green manure is a crop grown mainly to improve soil fertility. 種植綠肥作物主要是為使土壤更加肥沃。
- No one can successfully replicate the black soil so far. 目前為止還沒(méi)有人能夠成功地復制黑土壤。
- Bud drop under the tree already only soft, black soil. 樹(shù)下的落芽早已掃盡，只有柔軟的黑土。
- Strip check space varies with plot slope, soil fertility and irrigation. 條畦寬度隨地塊坡度、土壤肥力和灌溉而變化。
- The paddy?upland system increased clay dispersion content and soil fertility. 水旱輪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. 土壤團聚體和水穩性團聚體的狀況是影響土壤肥力的一個(gè)重要因素。
- Analysis on water-adjustment capacity of black soil in the farmland. 農田黑土水分調節能力分析。
- Application of Integrated Fertility Index Method in Evaluating Changes in Soil Fertility. 應用指數和法對潮土農田土壤肥力變化的評價(jià)研究。
- Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge. 城市污泥對退化森林生態(tài)系統土壤的人工熟化研究。
