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Effects of Different Top Dressing Frequence on Growth and Chemical Composition of Flue-cured Tobacco

Zhong Bo Zhu Lieshu Xie Huiling Qi Shaowu He Peng Lin Yueping(Hunan agriculture university changsha 410128)  
【Objective】To study the effects of different top dressing frequence on growth and chemical composition of flue-cured tobacco,and provide basis for the agricultural production;【Methods】this text takes the trial material with flue-cured tobacco K326,and the test is conduct-ed to study the influence top dressing frequence on growth and chemical composition of flue-cured tobacco;【Results】 finally indicated: In topdressing quantity same situation(60 kg/ 667m2);The topdressing method is a fertilization in pre-dug holes.the best modes of fertilizer ap-plication is five times;【Conclusion】the method of five times of fertilizer application can help to growth and quality of tobacco plants.
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