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- Effects of Different Application Rates of N, P, K, Ca Fertilizer on Photosynthesis Properties, Yield and Kernel Quality of Peanut 氮、磷、钾、钙肥不同用量对花生光合性能及产量品质的影响
- Study on the Relationship between the Application Rate of N,P,K and the Yield of Onion 氮磷钾施用量与洋葱产量的相关性研究
- The grain yield, protein content and yield, wet gluten content, sedimentation value increased with the increase of N and K application rates. 小麦籽粒产量、蛋白质含量和产量、湿面筋含量及沉降值均表现出随氮、钾用量的增加而增加的趋势。
- Effect of N application rates on leaf senescence and its mechanism in maize was studied by methods of field experiment, plant analysis and electron microscopy examination. 采用田间试验、植株分析及电镜检测方法研究了氮肥用量对玉米叶片衰老的影响及其机制。
- application rates of N 氮
- 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。
- Application rate of N N素用量
- It is suggested that balanced rates of N, P and K application, fertilization with reasonable amount and manners be taken to abate the potential of nitrate leaching loss, and to improve soil environmental quality. 确定合理的施肥量,平衡氮、磷、钾养分比例,以及采取正确的施肥和灌溉方式,将有效缓解土壤酸化和盐分累积,减少硝酸盐的淋洗,从而改善土壤环境质量。
- The differences of soil nutrients might be related to soil texture and application rate of fertilizer. 各调查点土壤养分含量之间的差异与施肥量和土壤质地有关。
- Silicic acid had no effect on soil pH,ammonium accumulation and the rate of N mineralization. 两种硅肥对施入土壤中氮的去向均无明显影响。
- The results showed that the total weed control effect of 10% ZJ0273 EC at the application rate of 75 mL/ha were over 85%. 结果表明,10%25丙酯草醚EC75mL/hm2对油菜阔叶杂草、禾本科杂草及总体防除效果都在85%25以上,具有杀草谱广、持效期长、防除效果好和成本较低等特点。
- In other hand, however, the yield of tuberous roots were limited mostly at the rate of 60 kg/ha of N applied. 对块根之收量则除台北、台中、台南、高雄四地区在50公斤施用量时对无燐区之增收率有10至20%25外，共他地区均不显著。
- The average application rate of CNKI free homepage for the core periodicals of hooks-informatics and of archives is only 10%. 摘要图书情报学、档案学核心期刊CNKI免费主页平均使用率仅为10%25。
- What's the going rate of computer programmers? 计算机程序设计人员的一般工资是多少？
- The aerage application rate of CNKI free homepage for the core periodicals of books-informatics and of archies is only 10%. 图书情报学、档案学核心期刊CNKI免费主页平均使用率仅为10%25。
- By power we mean the rate of doing work. 我们说功率就是指做功的速率。
- The reduction speed is increasing along with the concentration of N and P in water, whereas the removal rate of N and P is descending. 氮磷浓度的降低速率随水体中氮磷浓度的升高而升高，而对氮磷的去除率随水体中氮磷浓度的升高而降低。
- Degradation rate of dry matter increased with the increase of application rate of feces and duration of sample in rumen. 覆盖强度大，密封地面快，拦截泥沙能力强，种植后，在较短时间内就能起到固土保水、保堤护坡，防淤减积的作用。
- The results showed that application rate of each time should not be high because of its low absorbability and low fertility preserving capability. 结果表明，煤矸石风化物由于吸附性能低，保肥性差，所以施用化肥时一次用量不宜过大。
- Muskmelon, soillessly cultured with organic substrate was used to study fertilization effect on yield, nutrient absorption and distribution, and utilization rates of N P and K. 摘要研究了不同化肥施用量对日光温室有机基质型无土栽培甜瓜产量及N、P和K吸收量、吸收比例和利用率的影响。
