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- Take a long view, the amount of N absorption from two root zones of A almost equalized, and the use and residue and also lose efficiency of N fertilizer applied to two zones was close to each other. 总体来看，两个根区的氮素吸收基本相同，其氮肥的利用率、损失率和残留率相近。
- amount of N fertilizer applied 施氮量
- It must be emphasized that performance of inoculant and the amount of N legumes derive from BNF is directly linked to crop management including application of N fertilizer. 必须强调的是，接种物的表现和豆类作物从生物固氮获得的氮量与包括施用氮肥的作物管理直接有关。
- Nitrate content of fruit in aubergine vegetables was not affected by variety and amount of N fertilizer applied.Nitrogenous fertilizer had good action to quality of vegetables. 茄果类蔬菜果实中硝酸盐的含量不受氮肥品种和施用量的影响，氮肥对提高蔬菜品质有良好作用。
- Effects of Different Rational Ratio of N,P,K Fertilizer and Amount of N Fertilizer on Photosynthesis Character and Yield of Rice 氮磷钾配比及氮用量对水稻光合特性及产量的影响
- 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
- The effects of Cu on rice at same level of N fertilizer were studied. 本文研究了微量元素铜在同样的氮肥量水平下对水稻生育的影响。
- The elongation stage is the key and sensitive stage, the N fertilizer applied at this stage could not only increase the yield of winter wheat but also increase the content of free amino acid and protein of grain, and improve the quality of grain protein. 冬小麦水氮高效的关键期和敏感期在拔节期，这个时期施氮可以增加子粒中游离氨基酸及蛋白质含量，提高其质量。
- The research results are as follows. Potassium fertilizer can significantly increase the amount of N, P2O5 and K2O absorption and accumulated of spring maize on dry land 40,45 and 48 percent, respectively. 施用钾肥显著增加N、P2O5、K2O的吸收累积量,平均分别增长40%25、45%25、48%25;
- Huang S M,Bao D J.Effect of N fertilizer application on nitrate content in soil and underground water[J].Agri-Environ.Prot.,2000,19(4):228-229. [19]黄绍敏;宝德俊.;施氮对潮土地下水硝态氮含量的影响[J]
- The results showed that the model of n fertilizer for Hard Wheat, higher in jointing than in seedtime and spike-time, was beneficial for high yield as well as quality. 研究结果表明，氮肥运筹以“前轻中重后补充”模式的产量品质俱佳；
- average amount of fertilizer applied 平均施肥量
- Incorporating Chinese Milk Vetch into soil can reduce the chemical N fertilizer application rate by 44%, and also diminish the environmental risk of N runoff. 利用豆科紫云英轮作还田,可降低44%25的无机N肥用量,溶解性N浓度显著降低,是减小稻季N肥流失环境风险的有效途径。
- Li W B, Wu L S, Liao H Q.Application and crop recovery of N fertilizer in high-yielding paddy fields of Taihu region[J].Acta Pedological Sinica, 1997, 34 (1): 67 - 73. [19]李伟波;吴留松;廖海秋.;太湖地区高产稻田氮肥施用与作物吸收利用的研究[J]
- Amount of nitrogen fertilizer applied 施氮水平
- He has a large amount of mail to answer every day. 他每天有大量的信件要回复。
- Reducing amount of chemical fertilizer applied 化肥减量
- Amount of N fertilization 氮肥用量
- The effects of different types and application methods of N fertilizer on greengrocery (Brassica campestris L. ssp.Chinnesis) yield and nitrate content were investigated in a field experiment. 摘要 采用田间试验研究了氮素形态、用量及施用时期对小青菜产量和硝酸盐含量的影响。
- The carpet will stand any amount of wear. 这地毯极其耐用。
