1) nitrogen application rate
施氮量
1.
Effects of planting density and nitrogen application rate on soil microbial activity under wheat/forage rape multiple cropping;
种植密度与施氮量对麦茬复种饲料油菜土壤微生物活性的影响
2.
Effects of nitrogen application rate and ratio of base and topdressing on nitrogen absorption,utilization,grain yield,and grain protein content in winter wheat;
施氮量和底追比例对小麦氮素吸收利用及子粒产量和蛋白质含量的影响
3.
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
2) Nitrogen rate
施氮量
1.
Effects of nitrogen rate on nitrogen fertilizer use of winter wheat and content of soil nitrate-N under different fertility condition;
不同土壤肥力条件下施氮量对小麦氮肥利用和土壤硝态氮含量的影响
2.
Study on the optimum nitrogen rate of flue-cured tobacco in the northern part of Jiangxi Province;
赣北地区烤烟适宜施氮量的研究
3.
The results showed that planting density and nitrogen rate had a great effect on growth period,main economic characters and the last yield,but the application rate of P and K had a little effect on them.
结果显示:种植密度和施氮量对油菜的生育时段、主要经济性状、产量影响均较大,磷、钾肥用量的影响较小。
3) nitrogen fertilizer rate
施氮量
1.
Effects of nitrogen fertilizer rate and ratio of base and topdressing on yield of wheat,content of soil nitrate and nitrogen balance;
施氮量及底追比例对小麦产量、土壤硝态氮含量和氮平衡的影响
2.
Effects of nitrogen fertilizer rate and post-anthesis soil water content on yield and quality of high-quality strong gluten wheat;
施氮量和花后土壤含水量对优质强筋小麦产量和品质的影响
3.
Effects of nitrogen fertilizer rate and post-anthesis soil water content on characteristics of nitrogen metabolism and grain protein content in wheat;
施氮量和花后土壤含水量对小麦氮代谢特性和子粒蛋白质含量的影响
4) nitrogen application amount
施氮量
1.
Influence of nitrogen application amounts of different scales in small watershed of Three Gorges reserving area on water body;
三峡库区小流域不同尺度施氮量对水体的影响
2.
Investigation on the effects of nitrogen application amount on the growth and production of glehnia littoralis under field condition showed that along with the change of increasing nitrogen amount,the plant height,leaf area index(LAI)and the aboveground dry weight increased.
在大田栽培条件下,研究了施氮量对北沙参生长和产量的影响。
3.
Late ripen mid-season rice "Tong Yu Jing 1" was used as material to study the influence of nitrogen application amount on yield, quality and effect of rice under shed protection field.
以迟熟中粳品种“通育粳1号”为材料,研究了施氮量对大棚保护地茬水稻产量、品质及效益的影响。
5) nitrogen level
施氮量
1.
Effect of nitrogen levels in spike stage on differentiation and degeneration of branches and spikelet of hybrid rice cultivar Liangyoupeijiu;
穗肥施氮量对两优培九枝梗及颖花分化和退化的影响
2.
Effect of nitrogen levels on yield and sucrose synthesis of leaves in different types of peanut;
施氮量对不同类型花生蔗糖合成及产量的影响
3.
Resorting to two super rice hybrids (Guodao 6 and Liangyoupeijiu),the effect of 5 nitrogen levels (0,45, 90,135,180 kg/hm2),used at spikelet initiation stage on growth and photosynthetic rate of canopy leaves was studied.
以超级杂交稻两优培九和国稻6号为材料,研究了促花肥不同施氮量(0,45,90,135,180kg/hm2)对超级杂交稻冠层功能叶片生长和光合速率的影响。
6) Nitrogen fertilizer
施氮量
1.
Effect of amount of nitrogen fertilizer on physical properties and aroma quality of flue-cured tobacco
施氮量对烤烟物理性状和香气质量的影响
2.
This study had three factors: density, Nitrogen fertilizer and Kainite fertilizer.
本研究以密度、施氮量、施钾量为影响因子,进行二次正交旋转回归试验,对转基因抗虫杂交棉叶片N、P、K营养元素含量的数学模型进行研究。
3.
The effects of nitrogen fertilizer at different levels on the growth,the overground yield and content of essential oil with the wild Dracocephalum moldavica L.
)为试验材料,研究了不同施氮量对香青兰生长发育、地上部干草产量及挥发油含量的影响。
补充资料：氮质生化需氧量
分子式：
CAS号：
性质： 在BOD检验中，氨氧化为亚硝酸盐或硝酸盐时取用的生化需氧量，即第二阶段生化需氧量。通常水样培养10天后才产生此氧化作用，因此，5天生化需氧量不包括氮质生化需氧量。生物硝化过程包括两个阶段，第一阶段氨转化为亚硝酸盐，第二阶段亚硝酸盐转化为硝酸盐。
CAS号：
性质： 在BOD检验中，氨氧化为亚硝酸盐或硝酸盐时取用的生化需氧量，即第二阶段生化需氧量。通常水样培养10天后才产生此氧化作用，因此，5天生化需氧量不包括氮质生化需氧量。生物硝化过程包括两个阶段，第一阶段氨转化为亚硝酸盐，第二阶段亚硝酸盐转化为硝酸盐。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条