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- Under the same nitrogen application rate,higher topdressing ratio improved nitrogen agronomic efficiency,nitrogen recovery efficiency,increased accumulation amount of topdre... 因此合理运筹氮肥是提高氮肥利用率、增加产量、改善品质和减少污染的重要措施。
- Took Huaimai19 and Yannong19 as materials, the effects of nitrogen application rate on RVA profile characters under different land fertility levels were studied. 摘要为给小麦优质栽培提供理论依据，以淮麦19和烟农19为材料，研究了地力水平、施氮量对小麦淀粉RVA特性的影响。
- Results showed that increasing nitrogen application rate increased total N uptake,but decreased the percentage of nitrogen exported(PNE)from vegetative organs,nitrogen harvest index(NHI)and nitrogen efficiency for grain production(NEGP). 结果表明 ,施氮量增加 ,水稻吸氮量增多 ,但营养器官的氮转运率、氮收获指数和产谷效率显著下降 ;
- different nitrogen application rates 氮肥水平
- optimal nitrogen application rate 适宜施氮量
- Effect of Nitrogen Application Rate on Narcissus Growth and Bulb Quality 不同施氮水平对水仙花生长和鳞茎球质量的影响
- Effect of Nitrogen Application Rate on Noodle-making Quality of Wheat 施氮水平对小麦面条加工品质的影响
- Effect of nitrogen application rate on the growth and yield of maize 不同施肥量对玉米生育特性及产量的影响
- Effects of Different Nitrogen Application Rates on Productiveness of Puccinellia chinampoensis Ohwi 不同施氮水平对朝鲜碱茅生产性能的影响
- Effects of different nitrogen application rates on grain yields and nitrogen uptake and utilization by different rice cultivars 不同氮肥水平下水稻产量以及氮素吸收、利用的基因型差异比较
- Study on Photosynthesis Characteristics in Flag Leaf of High Super Yield Two-line Hybrid Rice at Different Nitrogen Application Rates 超高产两系杂交稻不同施氮水平剑叶光合特性研究
- Nitrogen uptake and grain yield effects of double-cropping rice at different nitrogen application rates in the first crop of ratoon rice 再生稻头季不同施氮水平的双季氮素吸收及产量效应研究
- Effect of nitrogen application rate on morphological and physiological characters of rice dry seedbed seedlings 不同施氮量对水稻旱育秧苗形态特征和生理特性的影响
- Effect of planting date, plant density and nitrogen application rate on yield and quality of vegetable soybean 播期、密度、氮肥用量对菜用大豆产量和品质的效应
- Effects of light intensity and nitrogen application rate on the growth and competition of wheat weeds Veronica agrestis and Chorispora tenella 光照强度与氮肥施用水平对麦田杂草婆婆纳和离子草的生长及其竞争关系的影响
- Effects of nitrogen application rate on flag leaf photosynthetic characteristics and grain growth and development of high-quality wheat 施氮水平对优质小麦旗叶光合特性和子粒生长发育的影响
- Effects of nitrogen application rate on nitrate reductase activity, nitric oxide content and gas exchange in winter wheat leaves 施氮量对小麦叶片硝酸还原酶活性、一氧化氮含量和气体交换的影响
- Effects of nitrogen application rate on soil inorganic nitrogen distribution, microbial biomass nitrogen content and yield of wheat 施氮量对土壤无机氮分布和微生物量氮含量及小麦产量的影响
- Effects of soil fertility and nitrogen application rate on nitrogen absorption and translocation, grain yield, and grain protein content of wheat 土壤肥力和施氮量对小麦氮素吸收运转及籽粒产量和蛋白质含量的影响
- Effects of Different Nitrogen Application Rate and Nitrogen Topdressing Stage on Yield and Contents of Crude Protein in Strong Gluten Wheat 不同施氮量和追氮时期对强筋小麦产量和粗蛋白的影响
