Study on Effect of the Transformation of Different Formation of Fertilizer N on the Yield and Quality of Flue-cured Tobacco in Paddy Soil and Dry Land Soil
A flue-cured tobacco (c.v. K326) experiment was carried out to obtain the strategies for optimizing nitrogen management based on study of the transformation of soil NO_3~--N and NH_4~+-N, growth and yield, N and K absorption, nicotine content of flue-cured tobacoo, in comparison with different formation of fertilizer N in paddy soil and dry land soil during both successive growing seasons from Mar. 2007 to Jul.2008 in Hunan Agricultural Unversity. The results are summarized as follows:
The con...