A study on potassium deficiency symptoms of flue-cured tobacco. (Interrelationship of nitrogen and potassium contents in leaves of stalk position applied with fertilizer levels) (황색종잎담배의 칼륨결핍증에 관한 연구 (시비수준에 따른 엽위 및 엽부위별 질소와 칼륨함량의 상호관계))
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- Journal of the Korean Society of Tobacco Science
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- v.4 no.1
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- pp.29-35
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- 1982