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- Abstract: The effect of different nitrogen fertilizers on dynamic transformation of phosphorus fertilizer in calcareous soil was studied in indoor incubation experiments. 摘 要: 利用室内土培试验研究了不同氮肥对潮土中磷肥转化的动态影响。
- Fig. 1 Effects of different nitrogen fertilization rate on activities of nitrate reductase(A) and protease(B) in flag leaves of forage rice. 图1不同施氮量对饲料稻旗叶硝酸还原酶(A)和蛋白水解酶(B)活性的影响
- The results indicated that the order of nitrification for different nitrogen fertilizers was urea>ammonium sulfate>ammonium chloride. 结果表明,不同氮肥品种在土壤中硝化作用大小为:尿素>硫酸铵>氯化铵;
- different nitrogen fertilizer 氮肥
- What is the cost of using nitrogen fertilizer on a rice crop? 水稻使用氮肥的成本是什么?
- The infulence of different nitrogen and phosphorus fertilizer appliction quantity on nitrate cumulant in spinach was studied on condition of field experiment. 在田间小区试验条件下,研究不同氮肥用量,不同磷肥用量对菠菜中硝酸盐累积量的影响。
- Should nitrogen fertilizer be applied after injected swine manure? 如何树立种猪引入的科学理念?
- This paper analyzed the yield performance by applying different quantity DCD and nitrogen fertilizer in water field and dry field. 分析了水田和旱田应用双氰胺(不同用量+氮素)的增产效益。
- The Influence of Different Nitrogenous Fertilizer on the Production and its Nitrate Content of Coniferous Cabbage 不同氮肥品种对结球甘蓝产量及硝酸盐含量的影响
- Effect of Application of Different Nitrogen Fertilizers on the Growth and Quality of Non-heading Chinese Cabbage 不同氮肥对不结球白菜生长及品质的影响
- Utilization efficiency of nitrogen fertilizer and Kalium were enhanced. 促进番茄对氮和钾的吸收。
- Anhua County Nitrogenous Fertilizer Fact. 安化县氮肥厂。
- A Comparative Trial on Integrated Application of Different Nitrogen Fertilizers into Free- Tilling and Seedling- Throwing Paddy and Its Effect on Yield of Paddy 不同氮肥运筹方法对免耕抛秧稻产量影响的对比试验
- Field trials of rainfall simulation were carried out to study effects of different rainfall intensities and nitrogen fertilizer application rates on nitrogen losses in rice-wheat rotation of Taihu Lake Watershed. 摘要应用田间模拟降雨,研究了太湖流域稻麦轮作方式下,不同雨强和施氮水平对农田氮素径流流失的影响。
- 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 diphenylamine method could indicate the nitrogen status in plant which changed with the different rate of nitrogen fertilizer application. it is more suitable to be used in the practice. 而二苯胺法测定结果可以反映作物体内硝态氮含量随施肥量变化情况,并且由于其快速、简便的特性,更适于在生产中推广应用。
- Influence of different nitrogen concentrations on the growth and physiological characteristics of Chlorococcum sp. 不同氮浓度对绿球藻生长及生理特性的影响。
- 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 different nitrogen and phosphorus level on growth and quality of Salicornia bigelovii Torr. 不同氮磷水平对北美海蓬子生长和品质的影响。
- 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。