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1)  soil NO3-N
土壤NO3-N
2)  soil NO~-_3
土壤NO3-
1.
Effect of different C/N manure on the content of soil NO~-_3 under different doses of N fertilizer was discussed.
6)不同C/N的有机肥对土壤NO3-残留量的影响。
3)  NO-3-N
NO3-N
1.
Five years average concentrations of NO-3-N,NH+4-N,and Total Inorganic Nitrogen(TIN) in wet depositions in Huizhou City are 0.
结果表明,近5年惠州市湿沉降平均NO3--N含量为0。
2.
Effects of combining application of nitrogenous,phosphorus and potassium fertilizers on the cumulation of NH+4-N and NO-3-N in soil profile,the yield and quality of flue-cured tobacco were studied according to the field experiment.
通过大田试验研究了不同氮磷钾配施对NH4+-N和NO3--N在植烟土壤中累积及烤烟产量品质的影响。
3.
Among the DN concentration of NH+4-N was lower than that of NO-3-N in general,and the former.
结果表明:稻田氮素径流损失的主要形态是溶解态氮(DN),DN中的NH4+-N浓度基本低于NO3--N浓度,NH4+-N浓度受施氮水平的影响,而NO3--N浓度不受施氮水平的影响。
4)  Nitrate [英]['naɪtreɪt]  [美]['naɪtret]
NO3-N
1.
The effects of ammonia,nitrate and pH on the growth of Salvinia natans L.
)为研究对象,在Hoagland培养液的基础上模拟生活污水中NH4+-N和NO3--N的浓度以及pH,研究了培养条件对槐叶萍生长的影响。
5)  NO~-_3-N
NO3-N
1.
This paper studied the removal effects of NH~-_4-N,NO~-_3-N,TN and TP by the integrated subsurface flow-upward vertical flow constructed wetland process.
研究了潜流-上行垂直流复合人工湿地工艺对NH4+-N、NO3--N、TN和TP的去除效果。
2.
Considering the target yield level,FW 84 t/ha,in spring,the rate of N supply(soil NO~-_3-N in root zone + N through irrigated water + sidedressed N) were N 300 kg/ha of e.
试验设计为:当春季目标产量为84 t/hm2时,在第一、二、三穗果膨大期每次追肥时采用N 300 kg/hm2的氮素供应目标值(0—30 cm土层NO3--N+灌溉水带入氮素+追施化肥氮素),之后每次追肥采用N 200 kg/hm2的氮素供应目标值;当秋季目标产量为75 t/hm2时,在第一、二、三、四穗果膨大期每次追肥时采用N 200 kg/hm2的氮素供应目标值,之后每次追肥采用N250 kg/hm2的氮素供应目标值。
3.
5) and N forms(NH~+_4N,NO~-_3-N) on arenchyma formation in roots of five rice genotypes.
以NO3--N为单一氮源时,近中性条件(pH 6。
6)  nitric nitrogen
NO3-N
1.
The effects of different cropping systems on content of nitric nitrogen in soils and vegetable were studied.
研究了不同种植制度对农田土壤和蔬菜NO3--N含量的影响。
补充资料:土壤水分运动基本方程(见土壤水运动)


土壤水分运动基本方程(见土壤水运动)


turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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