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- Effect of the regionalized balanced fertilization on nitrogen utilization efficiency and soil nutrient balance was studied. 本文研究了分区平衡施肥技术对氮肥利用率和土壤养分平衡的影响。
- Application of Soil Nutrient Balance Method on Corn Fertilization Recommended 养分平衡法在玉米测土推荐施肥中的应用效果
- Dobermann A.Star-Cruz PC.Cassman KG Fertilizer inputs,nutrient balance and soil nutrient supplying in intensive,irrigated ri ce systems:Potassium uptake and K balance 1996(1 黄绍文.;金继运
- Bindraban P S.Stoorvogel J J.Jansen D M.Vlaming J,Groot JJR Land quality indicators for sustainable land management: proposed method for yield gap and soil nutrient balance 2000 李保国.;胡克林
- soil nutrient balance 养分盈亏
- Effect of the regionalized balanced fertilization technique on nitrogen fertilizer utilization efficiency and soil nutrient balance 分区平衡施肥技术对氮肥利用率和土壤养分平衡的影响
- Nutrient balance in rice field ecosystem of northern China. 北方稻田生态系统养分平衡研究。
- Movement of soil nutrient of wheat field in arid desert area. 沙漠地区麦田土壤养分运动特征。
- A layer loss in soil profile is a sign of soil nutrient loss. 土壤剖面中A层的流失是土壤养分流失的标志。
- The status of nutrient balance not only influences the soil fertility but also concerns the sustainable development of cropland ecosystem. 摘要农田养分平衡状况不仅直接影响土壤肥力的发展方向，而且关系到农业的可持续发展。
- Soil nutrient and water have a great spatiotemporal heterogeneity. 在森林土壤中;养分和水分具有很大的时间和空间异质性.
- To improve work efficiency, bagged soil nutrient management should be fixed. 为提高工作效率，营养袋装土应采用定额管理。
- Characteristics of nutrient balance of different cropping systems in paddy field of red earth. 红壤稻田种植制度的养分平衡特征。
- Eliminate free radical, improve immunity, optimize internal secretion, resist lipofuscin and keep nutrient balance. 清除自由基、增强免疫力、调节内分泌、抑制脂褐素、保持营养平衡。
- Will it affect our genetic structures? Will it upset the nutrient balance in the foods we eat? 它会改变我们的基因结构吗？它会打乱我们吃的食物的营养平衡吗？
- Effect of natural zeolite on soil nutrient bioavailability and soil chemical properties. 沸石对土壤养分生物有效性和土壤化学性质的影响研究。
- The study provided a reference for improving the model of soil nutrient transfer in runoff on the loess slope. 该研究为进一步完善黄土坡面径流养分迁移模拟模型提供了参考。
- The relationship of soil nutrient cycling characteristics with productivity of terrace millet on hilly loess plateau. 黄土丘陵区梯田谷子养分循环特征与生产力关系的研究。
- The farmland nutrient balance of nitrogen,phosphorus,and potassium in Gansu Province was studied and the results show that N,P in this region are surplus,K is at a loss. 对甘肃省农田N、P、K养分平衡状况分析结果表明,甘肃省农田N、P、K养分平衡状况为N、P盈余,而K素亏损。
- We also raised the potential feedback by soil nutrient availability, which may also influence the BEF relationships. 最后 ,我们提出生物多样性_生态系统生产力之间的关系还可能受到土壤元素可利用性的负反馈作用的影响
