缺（低）硫处理器官酰脲与硝态氮增加。
S deficiency can increase the content of ureides and nitrate nitrogen of organs.
亚硝态氮与水体中各氮磷营养物间无相关关系。
Trite nitrogen and trite nitrogen in water is shows no correlativity.
在缺氧阶段，可利用内碳源实现剩余硝态氮的反硝化。
In the anoxic phase, without adding external carbon source, internal carbon source is used for denitrification.
如何降低蔬菜中的硝态氮含量受到人们日益广泛的关注。
Everybody concerned how to decrease the nitrate nitrogen content in vegetable increasingly.
许多商业性的试验室已应用定期的硝态氮分析作为指导。
Some commercial laboratories use periodic nitrate nitrogen tests as guides .
许多商业性的试验室已应用定期的硝态氮分析作为指导。
Some commercial laboratories use periodic nitrate tests as guides.
供水量和氮肥施用量是影响农田硝态氮淋失的主要因素。
The water and nitrogen applications are the two main factors that affect the nitrate leaching on farmland.
青萍对氨氮的吸收利用能力高于对硝态氮的吸收利用能力。
The absorption capability to ammonia of duckweed is stronger than to nitrate.
土壤容重和有机质含量对硝态氮的垂直运移有很大的影响；
The vertical transport of nitrate-N was also affected by the soil bulk density and the organic matter content.
不同品种硝酸盐累积的差异取决于还原硝态氮能力的差异。
The variance of nitrate accumulation of different cultivars laid on the variance of the ability in the reduction of nitrate.
而以硝态氮肥为氮源时，玉米叶片硝态氮含量和全氮含量最高。
In nitrate fertilizer sources, the contents of nitrogen and nitrate in maize were highest.
施用氮肥可明显增加土壤硝态氮残留数量，并影响其剖面分布；
Application of N fertilizer significantly increased the amount of residual nitrate-N, and affected its distribution in the soil profile.
另外，菌种添加量与硝态氮的去除率显著相关但是影响不显著。
In addition, the inoculum size and removal rate is significantly correlated but not significantly.
硝态氮和水溶性有机氮随灌溉水向下迁移，对底土具有培肥作用。
Nitrate and water soluble organic nitrogen were migrated with deionised water migrating and increased subsoil fertility.
土壤硝态氮的淋失不但造成肥料的损失，而且产生严重的环境问题。
Soil nitrate leaching not only causes the loss of fertilizer, but also brings about serious environmental problems.
培养基中高浓度的氮不论是铵态氮还是硝态氮均不利于菌株的生长；
Neither ammonium nitrogen nor nitrate nitrogen with high concentration in the medium helped to the growth of bacteria.
结果表明，水稻对铵态氮和硝态氮的吸收与养分供应状况有很大关系。
The results showed that the amount of absorbed nitrogen in different forms varied with nitrogen and potassium levels.
硝态氮使蔬菜硝酸盐含量迅速上升，铵态氮尤其氯化铵硝酸盐增加较少。
The nitrate nitrogen makes the vegetable nitrate quickly rising, the ammonium nitrogen especially the ammonia chloride nitrate decrease the nitrate content.
土表的硝态氮浓度不断增加，烤田增大了复水后硝态氮向地下水淋溶的趋势。
The concentration of nitrate-N increased continuously in soil surface, which resulted in nitrate leaching to groundwater after rewetting.
采用田间试验及人工渗滤池试验方法，研究了土壤中硝态氮含量的影响因素。
An experiment in field and artificial penetration-filter pond test both were conducted to show factors affecting content of nitrate-nitrogen in soil in the present study.
应用gleams模型估算我国东南亚热带地区农业小流域硝态氮的渗漏淋失。
GLEAMS model was introduced to calculation of nitrate leaching in an agricultural small catchment in Southeast China.
加入外源硝态氮培养后叶片硝酸还原酶活性的增加程度与叶柄硝态氮含量相一致。
The percentage increase of blade NRA after cultivated by extra-source nitrate was positively related to the petiole nitrate-N concentration.
从烟叶总体质量上讲，硝态氮与氨态氮的质量比为50%：50%是可取的肥料配比。
As to the whole quality of tobacco leaf, the blend 50% : 50% of nitrate nitrogen and nitrite nitrogen is the advisable choice.
施氮条件下，施钼仅显著降低了菠菜生长前期叶片中硝态氮含量，降幅达21 2%。
With the nitrogen application, the nitrate nitrogen contents in spinach leaves were only dramatically decreased by Mo application at growth prophase, the (decreasing) amplitude was 21.2%.
继续增加施氮量，土壤微生物量氮含量增加，但土壤中残留大量硝态氮，易淋溶损失。
Applying more nitrogen would increase the content of soil microbial biomass nitrogen, but might result in large amount of nitrate residue in soil and suspected to leaching loss.
采用二次回归正交旋转组合设计，研究了水肥耦合效应对保护地土壤硝态氮运移的影响。
Coupling effects of water and fertilizers on translocation of nitrate nitrogen in protected land were studied with the design of quadratic orthogonal rotational combinations.
乌江流域溶解无机氮含量较世界平均水平高，其主要存在形式为硝态氮（NO_3-N）。
The dissolved nitrogen (DIN) concentrations in the Wujiang River basin were much higher than the global average values and the main form of nitrogen was nitrate nitrogen (NO3-N).
灌水量相同时，土壤中硝态氮增加量和地下水中硝态氮的增量与地下水埋深成多项式关系。
With the same irrigation amount, the increasing of nitrate nitrogen content both in the soil and groundwater has the polynomial correlation with groundwater table.
灌水量相同时，土壤中硝态氮增加量和地下水中硝态氮的增量与地下水埋深成多项式关系。
With the same irrigation amount, the increasing of nitrate nitrogen content both in the soil and groundwater has the polynomial correlation with groundwater table.
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