petiole nitrate nitrogen.
叶柄硝态氮
Appling only nitrogen manure was sure to cause accumulation of nitrate easily.
单施氮肥容易导致硝酸盐的大量积累。
Nitrate Reductase Activity and Nodule Nitrogen Fixation Activity in Myrica rubra
杨梅硝酸还原酶活性与根瘤固氮活性的研究
Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.
最后厌氧菌将硝酸盐转化成无害得气体氮。
Effect of Nitrogen and Molybdenum Nutrition on Nitrate Accumulation in Swamp Cabbage
蕹菜的氮素、钼矿质元素营养与硝酸盐积累
Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
肥料。硝酸氮含量的测定。氮重力计法
Seasonal Cycle Analysis of the Nitrate Nitrogen and Nitrite Nitrogen in the Bohai Sea
渤海硝酸盐氮和亚硝酸盐氮季节循环分析
The nitrate form commonly dominates where liberal nitrogen fertilization is practiced.
施用足量氮肥得土壤，通常硝酸钙占优势。
Soil nitrate nitrogen sensing for tea garden based on diffuse reflectance spectroscopy
基于漫反射光谱的茶园土壤硝态氮检测
Influence of Nitrogen Rates, Soil Fertility and Harvest Time on Nitrate in Chinese Cabbage
氮肥，土壤肥力和采收期对小白菜体内硝酸盐含量的影响
Everybody concerned how to decrease the nitrate nitrogen content in vegetable increasingly.
如何降低蔬菜中的硝态氮含量受到人们日益广泛的关注。
Effects of different nitrogen forms and ratio on the yield and nitrate content of Chinese chive
不同氮素形态及配比对韭菜产量和品质的影响
Coupling effects of water and fertilizers on translocation of nitrate nitrogen in protected land
水肥耦合效应对保护地土壤硝态氮运移的影响
Effects of Different Nitrogen Levels on the Nitrate Accumulation and Nutriment Quality of Amaranth
不同氮素水平对苋菜硝酸盐累积和营养品质的影响
Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor.
固定床自养反硝化去除地下水中的硝酸盐氮。
Nitrate is easy to congregate on the crops, especially on the leaf vegetables which enjoy nitrogen.
蔬菜是硝酸盐易富集的农作物，特别是喜氮的叶菜类蔬菜。
Effect of nitrogen fertilizer on yield and nitrate content in Brassica oleracea L. Var. Capitata L.
氮肥对结球甘蓝产量与硝酸盐含量的影响。
Degumming experiment was carried out with the ammonium salt and the nitrate as the nitrogen additive.
以铵盐和硝酸盐作为含氮添加剂进行脱胶试验。
Effect of different water and nitrogen management on yield and nitrate content of amaranth and spinach
不同水氮管理对苋菜和菠菜的产量及硝酸盐含量的影响
Study of the Nitrogen Fertilization on the Nitrate Accumulation and Mechanism of the Greenery Vegetables
氮肥对绿叶类蔬菜硝酸盐累积的影响及机理的研究
Properly decreasing nitrogen level would not decrease cabbage yield, but decrease nitrate concentration.
适当降低氮肥用量包心菜不会减产，还可降低硝酸盐含量。
Effects of Fertilizer Application on Nitrogen Utilization Efficiency and Nitrate Content in Hybrid Pennisetum
肥料运筹对杂交狼尾草氮素利用效率和硝酸盐含量的影响
Determination of nitrate nitrogen in fertilizer by reduction of sodium thiosulphate instead of chromium power
用硫代硫酸钠代替铬粉还原测定肥料中硝酸态氮
Effects of the application of chemical nitrogen fertilizer on the nitrate content of Leek planted in green house
化学氮肥施用技术对温室韭菜硝酸盐含量影响
Nitrate accumulation and nutrient absorption in flowering Chinese cabbage under different conditions of nitrogen supplied
不同氮素供应条件下菜心对部分养分吸收和硝酸盐的积累
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