Effects of application of fertilizer K on the quality of flue-cured tobacco in Sichuan Province
土壤施钾对烤烟品质的影响研究

The effects of application of fertilizer K on the quality of flue-cured tobacco in Sichuan Province were studied.The results show that applying fertilizer K can raise the contents of potassium and reduced sugar,decrease the contents of calcium,magnesium,nicotine and protein in flue-cured tobacco.It is concluded that the effects of the application of fertilizer K on the quality of flue-cured tobacco in three soils are different evidently,the effect is little in red soil and significant in calcareous purple soil and yellow soil.