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- Soil fertility characteristics and management technologies of fruit tree protected cultivation 果树设施栽培土壤肥力特征与管理技术措施
- Soil Fertility Characteristics Induced by Caragana microphylla Plantation at Different Growing Stage on Loess Plateau in North- west of Shanxi Province 晋西北黄土高原丘陵区小叶锦鸡儿人工灌丛不同生育阶段土壤肥力特征研究
- soil fertility characteristics 土壤肥力特征
- 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?
- Soil Fertility Characteristic and the Way of Improving Soil in Development Zone where Emigration Moves 移民搬迁开发区土壤肥力特征及培肥改土途径
- 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。
- The results showed that soil fertility levels and nitrogen rate had significant or extremely significant effect on RVA profile characteristics except one or two characteristics. 结果表明，地力水平、施氮量对RVA谱特征值的影响除个别指标外，均达到显著或极显著的差异。
- 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。
- The fertility characteristic of hilly violet soil in Sichuan were-low content oforganic matter, abundant potassium and deficient nitrogen and phosphorus. 四川丘陵紫色土的肥力特点，是有机质含量低、富钾、缺氮、少磷。
- 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。
- 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。
- According to the areca production situation and soil fertility,the investigation was carried on in Hainan. 为了海南槟榔产业稳步健康的发展,针对槟榔生产现状和槟榔园土壤肥力状况进行了调查和分析。
