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- It's an effective way to maintain soil fertility. 這是保持土壤肥力的一個有效辦法。
- How do earthworms influence soil fertility? 蚯蚓如何影響土壤肥力?
- 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。
- The Impact of Soil Fertility on the Yield of Phyllanthus Emblica L. 土壤肥力對余甘子產量的影響。
- 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。
- 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重要因素。
- 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系統土壤的人工熟化研究。
- Using multi scale DEM datum, multi scale topographic index are extracted and mapped in the whole country and sample area in bess plateau, which prepare topographic datum basis for developing regional soil and water loss assessment model. （2）利用多尺度的DEM數據，提取了多尺度的水土流失地形指標，編製了全國及黃土高原典型樣區的水土流失地形指標專題圖件，為多尺度區域水土流失評價模型的建立準備了地形數據基礎。
- Effect of long-term fallow and cultivation on soil fertility in rice-based cropping system. 水旱輪作地區土壤長期休閑與耕種的肥力效應。
- Developing a regional soil erosion model, understanding the forms, the extents, degrees and predicting the trend of the environment impacts of soil conservation, will be key issues for SEER studies. 今後儘快開發區域水土流失定量評價模型，並在區域尺度上對環境效應的方式、範圍、程度和發展趨勢做出綜合計價和分析預測。
- Robinia pseudoacacia was better than Pinus tabulae formis in enhancing the soil fertility. 在樹齡相同的條件下刺槐林對土壤培肥效應優於油松林。
- According to the areca production situation and soil fertility,the investigation was carried on in Hainan. 為了海南檳榔產業穩步健康的發展,針對檳榔生產現狀和檳榔園土壤肥力狀況進行了調查和分析。
- Illite belongs to clay minerals, it has absorbent ability and higher potassium, which can improve the soil fertility. 伊利石屬層狀粘土礦物，具有吸水性，含鉀較高，可以提高土壤肥效。
- And the soil fertility and species diversity of stands treated by EGC were also greater than the control. 採取生態型林地清理方式的林分土壤肥力及物種多樣性均比對照林分高。
- There are two goals of the study. The first one is to fabricate the estimating model of typical sort soils and region soils and simulate the soil AWC in china. 本研究的目的：一是初步構建我國典型土壤類型以及區域土壤的土壤AWC經驗估算模型，並進行土壤AWC估算；
- Which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris. 而腐化過程將化學物質回饋於土壤,提高其肥力,並分解動物糞便。
