Nutrient concentration of soil loss under covered with vegetation over the fallow.
顺坡种植油菜-花生处理，坡面流失泥沙钾、磷养分浓度高于休闲裸坡处理。
Base on the relationships between nutrient concentration and water discharge and time, temporal models of nutrient transport can be built.
根据营养盐含量与流量的关系以及含量随时间的变化的关系，可以建立它们输送量的时间变化模型。
Generally, water stress and low nutrient supply resulted in the lower grain nutrient concentration, and nutrient uptake and uptake efficiency.
水分胁迫和低肥处理减少小麦籽粒养分含量、(整株)养分吸收量和吸收效率。
Several Suggestions on specialty fertilizer formula, nutrient concentration of compound fertilizer, and terms in national standard are presented from agronomy viewpoint.
对专用肥配方、复混肥的浓度、复混肥标准的一些规定从农艺角度提出一些意见。
Analysis of change of the nutrient concentration in porewater with depth indicates the relation between the oxidative-reductive conditions and the nutrient concentration.
对沉积物中孔隙水营养盐浓度随深度的变化分析，表明了沉积物孔隙水中营养盐浓度变化与氧化还原环境的关系。
The laboratory experiments mainly included the effect of nutrient concentration on phytoplankton growth, bioaccumulation and toxicity of heavy metals and petroleum hydrocarbon (PH) to phytoplankton.
实验室实验主要研究了浮游植物生长的营养盐浓度效应，石油烃和重金属对浮游植物生长的影响等。
High concentration of salt in soil causes ion imbalance, oxidative damage, water deficit and nutrient deficiency, which lead to molecular damage, growth retarded, and even death of plant.
土壤中高浓度的盐分会使离子失衡、氧化伤害、水分亏缺、营养缺乏，并导致生物大分子被破坏、生长迟缓、甚至植株死亡。
This subject was studied the effect of different P, K concentration in nutrient by Deep Flow Technique(DFT) on growth, yield and quality of tomato .
本文采用深液流循环水培法（DFT）探讨了营养液中不同P、K浓度对水培番茄生长发育、产量及品质的影响。
The author of the environmental nutrient solution Clivia water culture in the application of observation, made a high concentration of a nutrient solution KEL promote root effect.
通过对环保营养液在君子兰水培中的应用研究，提出了适度提高“绿孢宝”营养液浓度有促根效应。
The loss of nutrient from the sludge with low concentration was obviously more than that from sludge with high concentration.
低固体浓度污泥下，氮磷钾营养物质流失量比高固体浓度污泥明显增多。
Solution culture experiment was conducted to study the effect of ferric hydroxide and phytosiderophore on Cd uptake by wheat plants grown in nutrient solution with different iron concentration.
用营养液培养方法，模拟在不同铁浓度条件下，小麦根表铁氧化物及植物铁载体对植物吸收镉的影响。
The effects of elevated CO2 concentration on dry matter allocation and nutrient contents of red birch seedlings were studied under two planting densities in controlled environment Chambers.
采用控制环境生长室研究了2个密度水平下CO2浓度升高对红桦幼苗干物质分配与营养的影响，并分析了红桦干物质分配与养分浓度的关系。
The high-purity concentration technology is further applied to form micro molecule groups with high nutrient content, which are easy to be absorbed and utilized by the crops.
进一步采用高纯浓缩技术，使其形成小分子营养团，养分含量高，易被作物吸收利用。
The concentration of metabolic energy in the diet was the main nutrient limitation, and the second one was quality of pasture;
影响绵羊采食量的主要营养因素是饲粮代谢能浓度，其次是牧草质量。
Soil nutrient level has stronger effects on plant tolerance expression than temperature. High concentration of phosphorus and potassium increases tolerance level.
土壤营养水平对植物耐虫性表达的影响大于温度，增施磷、钾肥可增加植物的耐虫性。
Microbe species and amount, and nutrient sorts and concentration all have effects on treatment efficiency in the microbe treatment of oily soil.
对油污土壤进行微生物处理时，油污土壤中微生物种群和数量、营养物种类和数量对处理效果均有影响。
The effects of submerged plants on the purification efficiency of nutrient contaminations and phosphorus concentration in sediment were studied by using constructed pony enclosures.
通过在污水中加入示踪剂 ，研究了人工湿地的水力学特点及其对污水净化效果的影响规律 。
The effects of submerged plants on the purification efficiency of nutrient contaminations and phosphorus concentration in sediment were studied by using constructed pony enclosures.
通过在污水中加入示踪剂 ，研究了人工湿地的水力学特点及其对污水净化效果的影响规律 。
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