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- 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
- The amount of nitrogen fertilizer had been steadily increased along with the development of the indica-japonica cross varieties during the last 15 years. 过去15年中随着籼-粳杂交品种的发展，氮肥用量持续增长。
- Amount of nitrogen fertilizer applied 施氮水平
- application amount of nitrogen fertilizer 氮肥用量
- The best scheme of nitrogen fertilizer and planting density is that the application of N is 180kg/ha and the amounts of basic seedling is 20 million per hectare. The yield is 6270kg/ha under this condition. 最佳的肥料及播种密度配比为N 180kg/ha，200万株/ha基本苗，产量可达到6270kg/ha；
- Amount of nitrogen fertilization 施氮量
- The amount of nitrogen needed will increase as yield increases. 随着产量增加，需氮量也要增加。
- Effects of amount of nitrogen fertilizer applied on yield and commodity rate of mini sweet potatoes 施氮量对迷你型甘薯产量及商品率的影响
- The discharge amount of nitrogen oxide can reduce 30%. 氮的氧化物排放量减少30%25。
- Studies on Economic Application Amount of Nitrogen Fertilizer of Maize on Black Earth 黑钙土玉米氮肥经济用量的研究
- 2 The effect of different amount of nitrogen fertilizer applied (0, 25, 50, 100 kg urea/667m2) on yield and nitrate content of different pak-choi cultivars was observed . 而且增施氮肥增产的效应随着施氮量的增加而呈显著降低趋势，即呈现施肥量的报酬递减，对小白菜菜秧生产以施用25kg/667扩尿素的处理与施用50、100 kg/667m2尿素的处理相比较增产最高，效益最好。
- Utilization efficiency of nitrogen fertilizer and Kalium were enhanced. 促进番茄对氮和钾的吸收。
- Amount of nitrogen fertilizer 氮肥用量
- 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。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- There were significant correlation between nitrogen fertilizer applied and the accumulative amount of NH4+-N ,N03--N and TN of the leakage water in the lysimeter of different plots and the coefficient is 0.933*,0.984**,0.982** respectively. 而且各小区渗漏计中NH4+-N、NO3--N及TN累积渗漏量与施肥量之间存在显著相关性;R2分别达到0.;933*;0
- He has a large amount of mail to answer every day. 他每天有大量的信件要回复。
