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- 通過(guò)采集土壤溶液并測定其硝態(tài)氮(NO3--N),對不同施N處理下40-220cm土層的NO--N累積特征進(jìn)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素累積量nitrogen accumulation
- NO3--NNO3--N
- NO3-N累積NO3-N accumulation
- 籽粒N、P累積Grain nitrogen and phosphorus accumulation
- 土壤NO3-N含量Soil nitrate content
- 按模n計數count modulo n
- s-o-n-g拼成"song"一字。s-o-n-g spells "song".
- 按模數N校驗modulo n check
- n. 克g.
- n. 頁(yè)p./pp.
- n. 段par.
- n. 碼yds.
- p-n 結p-n junction
- n. 進(jìn)口Imp.
- n. 印度Ind.
- 氨基乙磺酸-NtaurineN, N-diacetic acid
- n. 騎士Kt.
- n. 千瓦Kw.
