硝態氮肥 的英文怎麼說
中文拼音 [xiāotàidànbǐ]
硝態氮肥
英文
nitrate nitrogen fertilizer-
The dynamic change of nh4 +, no3 - and tn, under the situation which urea was applied in the high fertility paddy - field in yuhang of hangzhou city with a lysimeter which was designed and made by ourselves, was studied and analyzed in order to find the rules of the change in the water - body of surface and the leakage rule of nitrogen, to reduce the effect of nitrogen loss on the water pollution
藉助自行設計製作的稻田滲漏計，在杭州餘杭對高肥力稻田不同施用尿素氮肥情況下，稻田地表水和滲漏水中銨態氮、硝態氮和總氮（簡稱三氮）的動態變化規律進行了研究分析，以利於發現氮素在地表水體變化和淋失規律，盡量減少氮素淋失對地下水體所造成的影響。Fertilizer - determination of nitrate nitrogen content - nitron gravimetric method
肥料中硝態氮含量的測定氮試劑重量法According to the amount of no3 ( superscript - ) - n in the deep layer soil during the growth of winter wheat, irrigation and fertilization help to no3 ( superscript - ) - n leaching, so it was very easy to seep into groundwater and pollute the environment
在冬小麥的整個生育期中，拔節期的追肥灌水有助於硝態氮向土壤深處移動，甚至有可能淋洗出根層，對地下水產生影響。Abstract : the paper summarized the present situation of nitrate pollution in some area of our country where the surface water, underground water and vegetable crop were polluted by using nitrogen excessively, put forward some proposals and control countermeasures to prevent the nitrogen pollution in agriculture ecology environment such as draw up the " pollution prevention administrative stipulate for farm land fertilizer application "
文摘:概述了我國部分地區因過量施用化肥氮而導致對地面水、地下水及蔬菜造成硝酸鹽污染的現狀；提出了制定《農田施肥污染防治管理規定》等防止農業生態環境氮污染的對策意見。Is plugcareplus nitrogen or ammonia base ? that is, is it safe to use in a cold holding area without causing ammonia toxicity
穴盤專用（添加）肥料其是硝態氮還是氨態氮？也就是說，它在氣候寒冷的地區使用是否安全，是否會引起氨中毒？Q : is plugcareplus nitrogen or ammonia base ? that is, is it safe to use in a cold holding area without causing ammonia toxicity
穴盤專用（添加）肥料其是硝態氮還是氨態氮？也就是說，它在氣候寒冷的地區使用是否安全，是否會引起氨中毒？The content of mineral nitrogen content ( nh4 + - n + no3 - n ) decreased during the incubation period after applying nh4 + - n fertilizer and urea. it maybe relates to the nh4 + - n fixation, volatilization, and its nitrification. ( 4 ) fertigation by drip irrigation increased the n uptake and accumulation of dry matter of summer maize, and improved the activity of crop photosynthesis
與滴灌施用硝態氮肥相比，施用銨態氮肥和尿素后在培養期間土壤礦質態氮（ n03一n + nh獷一n ）的含量有降低的趨勢，降低的原因可能與nh4 +一n在土壤中的固定、揮發及硝化等過程有關。Determination of nitrate nitrogen in fertilizer by reduction of sodium thiosulphate instead of chromium power
用硫代硫酸鈉代替鉻粉還原測定肥料中硝酸態氮The purport on determination of multi - form n ( nh4 ( superscript + ) - n 、 no3 ( superscript - ) - n 、 con - n ) in fertilizer was reviewed, and the determination methods of multi - form n in fertilizer were introduced
摘要論述了肥料中銨態氮、硝態氮、酰胺態氮和有機質氮等各種形態氮的測定意義，系統地介紹了肥料中各種形態氮的測定方法以及應用情況。( 3 ) the amount of nitrogen leached was in the decreasing order as no3 - fertilizer > urea > nh4 + - fertinzer, and the main form of n leached was the n fertilizers added. the amount of nitrogen leached from sand soil exceed in that from clay soil
（ 3 ）在滴灌施肥條件下，三種氮肥（硝態氮、銨態氮和尿素態氮）在兩種質地的土壤中的淋失量均是硝態氮肥尿素銨態氮肥，淋失的氮素主要為肥料氮。Studying on the mechanism of nitrogen transport and transformation under the conditions of fertilization and irrigation with sewage effluent is very important for utilization of sewage effluent and fertilizer and pollution control. based on laboratory and field experiment and numerical simulation, nitrogen transport and transformation has been investigated in this dissertation
污水灌溉和施肥條件下，氮素在土壤與作物系統中遷移轉化規律的研究，對于合理利用污水資源和合理施肥，最大限度提高水分和養分的利用率，減少硝態氮淋洗風險，具有十分重要的意義。Comparative test on measuring nitrogen content in nitrate nitrogen by reduction
還原法測定肥料中硝酸態氮含量的比較試驗With the low irrigation water, the content of no3 - - n was lower in the upper layer of soil, and higher in deeper soil layers
土壤硝態氮的變化趨勢為，灌溉施肥灌水量低時，上低下高；增加灌水量降低了土壤中硝態氮含量。Based on the field experiments of nitrogen fertilizer and irrigation applied to winter wheat, the effects of quantity on its dynamic distribution of soil no3 ( superscript - ) - n were studied
摘要通過田間試驗，研究了不同氮肥用量和灌水量情況下土壤中硝態氮的動態分佈。Plugcareplus is 99 % nitrate nitrogen based making it safe to use in colder conditions. a second benefit of nitrate nitrogen is shorter, toned growth
穴盤專用（添加）肥料其99 %為硝態氮，因此在寒冷的氣候條件下也可安全使用。第二個好處就是硝態氮可使植株矮小且強壯。Nitrate was leached from the soil when water application was started. irrigation, fertilizer and temperature strategy had a large effect on the temporal envelopment in nitrate leaching. the more the irrigating quota is
45mm灌水與30mm灌水相比15cm硝態氮含量明顯降低，而30 、 45cm土層含量相對增加，施肥量、溫度越高土壤各層中硝態氮含量越高。We use time domain reflectometry ( tdr ) to simultaneously estimate volumetric soil water content, soil solution electrical conductivity, and soil nitrate concentrations in combination with porous ceramic cup solution samplers to follow no3 - n transport in soil exposed to different irrigation, fertilizer quota and temperature. the experiment was conducted with nondestructive soil colums
本研究中以原狀土為研究對象，利用時域反射技術隨時測定土壤含水量和電導率的特點結合多孔陶瓷杯抽濾技術，研究在不同灌水、施肥和溫度下硝態氮的變化。It is a serious issue that water and nitrogen input rates are unreasonable high in vegetable production in china, which may increase nitrate accumulation in vegetable and ground water contamination. in result, these will be harmful to people ' s health. the objectives of this paper which based on column % pot and micro - plot experiments were to compare the effects of different water and nitrogen supply strategies on nitrogen leaching in the soil profile and nitrate accumulation in vegetable as a base for the n and water recommendations in vegetable production
針對蔬菜生產中水氮投入過量造成蔬菜品質下降、地下水硝酸鹽含量超標，水、肥資源的浪費以及給人體健康造成的潛在性威脅的實際情況，以油菜和芫荽為研究對象採用模擬土柱、盆栽和田間微區試驗相結合方法系統監測了蔬菜生育期內硝酸鹽含量的動態變化以及收獲后不同土層土壤硝態氮的殘留量，研究了水氮對蔬菜硝酸鹽累積的影響及對土壤硝態氮殘留的效應。Effects of different fertilizer application countermeasures on the soil nitrate nitrogen accumulation in dryland maize
不同施肥措施對旱地玉米土壤硝態氮累積的影響分享友人