1) Nitrogen level
施氮水平
1.
The results showed that the rate of protein in grains presented double peak curve and the dynamic change of Trp in grains decreased with the maturing of grains at different nitrogen levels.
结果表明,籽粒蛋白质积累速率呈双峰曲线变化;不同施氮水平色氨酸的含量均随籽粒的成熟而不断下降;不同的施氮水平对玉米的产量影响差异显著,以公顷施纯氮200kg增产效果显著,且成本比施氮300kg·hm-2处理低。
2.
The aim was to clarify the relationships between tillage methods, nitrogen levels and soil microbial characters, enzyme activity, soil nutrients and wheat yield, and to supply academic base for tillage patterns with high efficiency.
本试验继2006年在山东省龙口市前诸留村进行的基础上,于2007-2008年继续展开,选用小麦品种为良星99,以大田试验为主,主要研究了常规耕作、旋耕、耙耕和免耕以及在不同施氮水平对土壤微生物特性、理化性状和小麦产量的影响,以期明确耕作及施氮水平与土壤生物微生物特性、土壤酶活性、土壤养分和产量之间的关系,为实现低耗高效的耕作模式提供理论基础。
3.
The neutral aroma components of flue-cured tobacco leaves,which were produced in Dunhua city of Jilin province from 2006 to 2007,were qualitatively and quantitatively analyzed with 5 treatments of nitrogen levels by gas chromatography mass spectrum(GC/MS),and the smoking quality of these leaves were evaluated.
以吉林敦化烤烟烟叶为试材,采用气相色谱-质谱联用法(GC/MS)技术对2006~2007年5种施氮水平处理下烟叶中中性致香成分进行了定性定量分析,并对其单料烟进行了感官评吸。
2) Nitrogen rate
施氮水平
1.
Effect of nitrogen rates on root-shoot balance and nitrogen accumulation and distribution in flue-cured tobacco;
施氮水平对烤烟根冠平衡及氮素积累与分配的影响
2.
When the planting density was 46700 plant/hm2 and the Nitrogen rate was 18.
研究了4种密度和6个施氮水平对青贮玉米生物产量及主要农艺性状的影响。
3) nitrogen application levels
施氮水平
1.
Effect of different nitrogen application levels on the productivity of Pennisetum purpureum;
不同施氮水平对象草生产性能的影响
2.
Effect of nitrogen application levels on nitrogen assimilation and grain protein components accumulation in strong gluten wheat was studied on the condition of high-yield.
在高产条件下研究了施氮水平对强筋小麦济麦20氮素同化及籽粒蛋白质组分积累和品质的影响,结果表明,在0~195 kg/hm2施氮量范围内,增施氮肥显著提高旗叶硝酸还原酶和谷氨酰胺合成酶活性,提高各器官氮素含量和积累量,促进籽粒单体蛋白、可溶性和不溶性谷蛋白积累,提高籽粒蛋白质含量及可溶性和不溶性谷蛋白占总蛋白的比例,改善籽粒品质;285 kg/hm2施氮量处理与195 kg/hm2施氮量处理相比,旗叶硝酸还原酶和谷氨酰胺合成酶活性及籽粒蛋白质含量均无显著变化,但单体蛋白含量及占总蛋白质的比例升高,可溶性和不溶性谷蛋白含量及占总蛋白质的比例降低,籽粒品质下降,兼顾高产和优质的适宜施氮量为105~195 kg/hm2。
4) Nitrogen
[英]['naɪtrədʒən] [美]['naɪtrədʒən]
施氮水平
1.
Effects of Different Nitrogen Levels on Nitrate Content in Different Parts of Grafted Cucumber;
不同施氮水平对嫁接黄瓜不同部位硝酸盐含量的影响
2.
Effects of nitrogen fertilization on quality of self-rooted and grafted cucumber;
不同施氮水平对嫁接和自根黄瓜品质的影响
5) N level
施氮水平
1.
Effect of the Enhanced Ammonium Nutrition on the growth and nitrogen utilization of wheat under different N levels;
不同施氮水平下增铵营养对小麦生长和氮素利用的影响
2.
And it is dropping along with the leaf position increasing, but increases with N level and N∶K ratio improving.
不同施氮水平及钾素配比对晒烟生化变化研究结果表明,叶绿体色素含量犁板叶>歪尾巴>Va934,中、上部叶随叶位的升高而下降,随施N水平及N∶K的提高而增加。
6) nitrogen application rates
施氮水平
1.
hm~(-2) nitrogen application rates treatments.
通过田间小区试验,研究了不同施氮水平条件下(0,90,180和270 kg。
补充资料:寄裴施州(裴冕坐李辅国贬施州刺史)
【诗文】:
廊庙之具裴施州,宿昔一逢无此流。金钟大镛在东序,
冰壶玉衡悬清秋。自从相遇感多病,三岁为客宽边愁。
尧有四岳明至理,汉二千石真分忧。几度寄书白盐北,
苦寒赠我青羔裘。霜雪回光避锦袖,龙蛇动箧蟠银钩。
紫衣使者辞复命,再拜故人谢佳政。将老已失子孙忧,
后来况接才华盛。
【注释】:
【出处】:
全唐诗:卷221_17
廊庙之具裴施州,宿昔一逢无此流。金钟大镛在东序,
冰壶玉衡悬清秋。自从相遇感多病,三岁为客宽边愁。
尧有四岳明至理,汉二千石真分忧。几度寄书白盐北,
苦寒赠我青羔裘。霜雪回光避锦袖,龙蛇动箧蟠银钩。
紫衣使者辞复命,再拜故人谢佳政。将老已失子孙忧,
后来况接才华盛。
【注释】:
【出处】:
全唐诗:卷221_17
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