Effects of nitrogenous fertilizer on total nitrogen and nicotine accumulation in flue-cured tobacco;
不同施氮量对烤烟总氮和烟碱积累的影响
Influence of pretreatment process on nitrogen content of soybean protein fibre;
大豆蛋白纤维前处理工艺条件对含氮量的影响
Genotype differences of nitrogen content in cultivated rice seed.;
栽培稻种子含氮量的基因型差异
Reasons affecting nitrogen content of lime nitrogen, which is produced by converter process is analyzed.
分析了转炉法生产石灰氮中影响石灰氮含氮量的原因,通过合理掺用催化剂、调整炉料细度、改造原料配料系统等方法,优化了生产工艺条件,稳定了炉料配比以及炉料的发气量,提高了石灰氮的含氮量,氮的质量分数稳定在22。
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
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。
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。