Soils are most commonly deficient in nitrogen and phosphorus.
土壤最经常缺乏氮和磷。
The poor soil of bogs, for example, offers little nitrogen and phosphorus, so carnivorous plants enjoy an advantage over plants that obtain these nutrients by more conventional means.
例如，沼泽贫瘠的土壤提供的氮和磷很少，所以肉食植物比那些通过更传统的方式获得这些营养的植物更有优势。
Nitrogen and phosphorus removal is important in water pollution control.
城市污水中氮、磷的处理是水污染控制的一个重要问题。
The mechanisms and effects of nitrogen and phosphorus on wheat in dryland were different.
氮、磷营养对旱地小麦的作用机理和作用效果并不相同。
The scientists then compared how much nitrogen and phosphorus were available in the soil.
之后科学家比较了土壤中的氮和磷的含量。
Strain could degrade oil effectively when there was plenteous nitrogen and phosphorus nutrition.
有充足的氮磷营养盐存在时，菌能够更高效的降解原油。
In summer, COD and BOD are the main pollutants, nitrogen and phosphorus pollution happens in winter.
夏季主要以COD、BOD有机污染为主，冬季以氮、磷污染为主。
The decomposition of litter can cause the periodic shortage of nitrogen and phosphorus chemical elements.
枯枝落叶的快速分解会引起土壤的氮和磷元素的周期性短缺。
The glutenin and total protein content were increased with increasing nitrogen and phosphorus application.
增施氮、磷肥使谷蛋白和总蛋白含量有所增加。
Biological nutrient removal is a relatively low-cost means of removing nitrogen and phosphorus from wastewater.
在对废水进行脱氮除磷时，去除生物营养素是一种相对成本较低的方法。
The results show that the contents of nitrogen and phosphorus are obviously different between the two species shells.
结果表明，这两种鲍鲍壳在总氮和磷含量上存在着显著差异；
More immediately, fertilizers used in farming have injected vast amounts of nitrogen and phosphorus into regional environments.
比较直观的是，用于耕地的化肥输入大量的氮元素和磷元素到环境当中。
The anaerobic tank which is set before the UNITANK process improves nitrogen and phosphorus removal efficiency efficiently.
由于在UNITANK工艺前端增设了厌氧池，有效提高了UNITANK工艺的脱氮除磷效果。
Algae can be used in wastewater treatment to remove nutrients (inorganic nitrogen and phosphorus) and heavy metal pollutants.
藻类可用于污水处理去除污水中的氮磷营养及重金属离子等污染物。
The lake's environmental problems include accelerated eutrophication, or aging, caused by nitrogen and phosphorus enrichment.
太湖环境问题包括氮磷元素富集带来的富营养化。
The effects of different nitrogen and phosphorus application on grain yield and quality of compact corn Longdan 26 were studied.
以粮饲兼用型玉米主栽品种龙单26为试验材料，研究了不同氮、磷施用量对玉米产量和品质的影响。
Nitrogen and phosphorus removal mechanism in subsurface wastewater infiltration system treating domestic wastewater was studied.
对地下渗滤系统处理生活污水的氮磷去除机理进行了研究。
The effects of different nitrogen and phosphorus application on grain yield and qualities of compact corn Jidan 209 were studied.
以耐密型玉米品种“吉单209”为试材，研究了不同氮、磷用量对玉米籽粒产量和营养品质的影响。
The research and practical appliance of biological nitrogen and phosphorus removal technology is gradually deserved appreciation.
生物脱氮除磷工艺的研究和应用工作日益得到重视。
Marine dead zones form when nitrogen and phosphorus pollution concentrates in near-coast waters through a process called eutrophication.
氮，磷污染通过被称为富营养化的这个过程，在近海岸水域集中泛滥，从而形成海洋死区。
This paper studies the effect of nitrogen and phosphorus fertilizer on yield and forage quality of sequential cropping silage maize.
研究了不同氮磷肥处理对复播青贮玉米产量及其饲用品质的影响。
The nitrogen and phosphorus pollution in water and over nourishment of water is also one of the major environmental issues at present.
微生物在农田污染治理和水体富营养化修复中显示出越来越重要的作用。
Nature's Green Cleaner Air-dried algae (shown above) from an algal turf scrubber captured most of the nitrogen and phosphorus in the manure.
图中展示的是从藻床中取下的自然绿色海藻，海藻可以有效地分离出水源中的氮和磷，用完之后自身转化为有机肥料还可以进一步利用。
The key period of element absorption was plantlet to visible bud stage. Potassium was more important than Nitrogen and Phosphorus for development of bulb.
植株营养吸收的关键时期为幼苗至现蕾期，鳞茎发育对钾营养的需求大于氮和磷。
Simulations of algal response to increases of nitrogen and phosphorus loads demonstrated that the algal growth was limited by phosphorus in the reservoir.
同时还模拟了水库中氮、磷输入量的增加对浮游藻类的影响，结果表明流溪河水库中磷是限制性营养盐。
From the investigations, lack of nitrogen and phosphorus, oxygen deficiency in aeration basin of SBR, high concentration of sulfide in the wastewater is found.
调查分析得知该厂印染废水存在氮、磷缺乏现象，SBR曝气池存在缺氧现象，废水中硫化物含量较高。
Excess nitrogen and phosphorus nutrients due to large quantities of feed imports, can lead to problems with manure disposal and pose a potential pollution risk.
大量的饲料进口产生过多的氮磷营养物，将导致粪便处理的问题，并构成潜在的污染风险。
The phosphorus was determined as the limiting factor for the growth of phytoplankton by comparing the concentrations of nitrogen and phosphorus of the water body.
在研究水体氮、磷含量的基础上，确定了磷为浮桥河水库浮游植物生长的限制性因子。
The phosphorus was determined as the limiting factor for the growth of phytoplankton by comparing the concentrations of nitrogen and phosphorus of the water body.
在研究水体氮、磷含量的基础上，确定了磷为浮桥河水库浮游植物生长的限制性因子。
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