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- 通过采集土壤溶液并测定其硝态氮(NO3--N),对不同施N处理下40-220cm土层的NO--N累积特征进行了研究。SummaryThe characteristic of NO3--N accumulation in the soil layer of 40~220 cm with different amounts of nitrogen application was studied by analysis of NO3--N in soil solution collected in a cinnamon soil of the Piedmont Plain of Mt. Taihang.
- NO3-NNO3 - N
- N素累积量nitrogen accumulation
- NO3--NNO3--N
- NO3-N累积NO3-N accumulation
- 籽粒N、P累积Grain nitrogen and phosphorus accumulation
- 土壤NO3-N含量Soil nitrate content
- 按模n计数count modulo n
- s-o-n-g拼成"song"一字。s-o-n-g spells "song".
- 按模数N校验modulo n check
- n. 克g.
- n. 页p./pp.
- n. 段par.
- n. 码yds.
- p-n 结p-n junction
- n. 进口Imp.
- n. 印度Ind.
- 氨基乙磺酸-NtaurineN, N-diacetic acid
- n. 骑士Kt.
- n. 千瓦Kw.