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- At the same level of potassium fertilization, plant K uptake increased with N increasing, at the same level of nitrogen fertilization, plant K uptake obviously increase with K addition increasing. 在相同施钾水平下，植株吸钾随着氮水平提高而增加。在相同施氮水平下，植株吸钾量随着施钾量提高而增加。
- Application levels of nitrogen fertilizer 氮肥施用量
- The effects on the Yield and the Quality of Tobacco Crop by the Different level of Nitrogen Fertilizer and the Number of Leaves 烤烟不同施氮量及留叶数对烟叶产量、品质效应的影响
- A field experiment was conducted in 1999 to investigate differences of adaxial and abaxial surface reflectance of rice leaves under 5 levels of nitrogen fertilization. 在田间条件下测定了5个氮素水平处理的水稻叶片在分蘖、孕穗和抽穗期的上表面反射率和下表面反射率。
- Level of nitrogen fertilizer 追氮量
- Effect of the Level of Soil Fertility on Biologic Fixation of Nitrogen Fertilizer 土壤肥力水平对肥料氮生物固定的影响
- Utilization efficiency of nitrogen fertilizer and Kalium were enhanced. 促进番茄对氮和钾的吸收。
- Effect of Application Levels of Nitrogen Fertilizer on Activity of Key Enzyme in Photosynthesis and Pn of Spring Maize 氮肥施用量对春玉米光合作用关键酶活性和光合速率的影响
- Effects of Different Varieties and Levels of Nitrogen Fertilizer on Accumulation of Crude Fiber in Forage Sorghum Stalk 饲用高粱不同品种及施氮水平对茎秆粗纤维积累的影响
- It indicated 150 kg K2O per hectare is proper under the high level of nitrogen. 表明在高施氮量下施钾150公斤K2O/公顷是适宜的。
- Mechanisms of Nitrogen Fertilizer Suppressing Atmospheric Methane Oxidation by Methanotrophs in Soils. 氮肥对土壤氧化大气甲烷影响的机制。
- Effect of nitrogen fertilizer on yield and nitrate content in Brassica oleracea L. Var. Capitata L. 氮肥对结球甘蓝产量与硝酸盐含量的影响。
- The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method. 摘要应用淹水培养方法，研究了铵态氮肥对土壤氮素的激发效应。
- The growth rate and moving biomass of Kentucky bluegrass turf were affected by the quantity of nitrogen fertilizer. 氮肥用量是提高草地早熟禾草坪生长速率和修剪量的主要因素。
- Effects of the amount of nitrogen fertilizer on the growth and yield in peanut[J].Pean.Sci.Tech.,2000,(2):14-18. N肥用量对花生生育及产量的影响[J].;花生科技;2000;(2):14-18
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Whether placement of nitrogen fertilizer below the layer of crop residue will reduce nitrogen immobilization is not clear. 对于把氮肥施在植物残体覆盖层以下是否会减少氮的固定，这个问题目前尚不清楚。
- SHEN S-M.Contribution of nitrogen fertilizer to the development of agriculture and its loss in china[J].Acta pedol sin,2002(39):12-25. 苏成国，尹斌，朱兆良，等.稻田氮肥的氨挥发损失与稻季大气氮的湿沉...阅读全文
- The rising level of crime is a sign of the times. 犯罪率增高是这一时代的特徵。
- Further increases were obtained with higher rates of nitrogen fertilizer and stocking rates of 4.9 cows per ha. (Cowan et al. 1991). 增施氮肥可进一步提高产奶量，并且使每公顷奶牛载畜4.;9头（Cowan等1991）。
