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Current status and prospects of researches on tobacco potassium nutrition in China

Li Folin Peng Guifen Xiao Fenghui Yang Huanwen (Yunnan Agricultural University Kunming 650201)  
This paper summarized the physiological functions of potassium on plants and the importance of the element on tobacco quality.Since the increasing application of potassium and the improvement of comprehensively agronomic measures,the potassium content in tobacco leaves has been increased to a higher level than before.The general level in China,however,is currently lower than that of quality tobacco in USA and other major tobacco producers.It was pointed out that the further studies in physioecology,nutritional genetics and molecular biology of tobacco should be strengthened so as to resolve the problems in lower content of potassium in tobacco produced in China.
【CateGory Index】: S572
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