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- surface nutrient balance 表观氮磷平衡
- Nutrient balance in rice field ecosystem of northern China. 北方稻田生态系统养分平衡研究。
- Our results indicate interactions among earthworms, organic matter, and soil microbial activity that should alter the carbon and nutrient balance of northern hardwood forest surface soils, relative to non-invaded soils. 我们的结果显示土壤在有蚯蚓,有机物,以及微生物的相互作用下将会影响到北部阔叶林表面的营养物质和碳含量的平衡,这些只是相对于没有受到侵袭的土壤来说的。
- 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？
- 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。
- 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。
- The nutrient balance in different kind of crops and cropping systems, as well as the nutrient input of different farmers were similar pattern with Quzhou county. 不同作物和种植制度的养分平衡情况及不同农户的养分投入情况与曲周县的整体情况大体一致。
- 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。
- Based on the principle of nutrient balance, homogenized diet formula with various foods as raw materials were designed.And the traditional processing techniques and equipment were improved. 方法按照平衡膳食的原则,同时考虑患者需求特点,选择多种食物为原料进行配方设计,并对原有的加工工艺、设备进行改造。
- In recent years, granular organic compound fertilizers had been increased rapidly because of nutrient balance, equitable proportion, capitally physical characteristic and using conveniently. 近年来，颗粒有机复混肥因具有养分均衡、配比合理、物理性能好、施用方便等优点而发展迅速。
- Li R G,Yang L Z,Pi J H.Soil fertility evolution,nutrient balance and reasonable fertilization in paddy field in southern area of Jiangsu province[J].Chinese J.of Applied Ecology,2003,14(11):1889-1892. [9]李荣刚;杨林章;皮家欢.;苏南地区稻田土壤肥力演变、养分平衡和合理施肥[J]
- A recent policy discussion in the " Journal journal Science " compared neutrion and the nutrient balances of different agriculture systems. 刊登在科学杂志的最新政策讨论比较了不同农作物的营养平衡。
- A recent policy discussion in the genal science compare journal Science compared the new and nutrient balances of different agriculture systems. 研究者比较了三个以玉米为一种主要作物的地区的化肥用量。
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
