Xiong Y,Li y M,Yin Z S et al.The transformation of nitrogen in soil and the effect on growth of flue-cured tobacco[J].Plant Nutr.Fert.Sci.,2003,9(4):500-502.

• [4]熊艳；李永梅；尹增松；等.；不同形态氮在土壤中的转化及对烤烟生长的影响[J]