HE MING-JUN, FU YUN-PENG, AI YONG-FENG, WANG CHUANG, TANG GE-LI. Dry Matter Accumulation and Nutrient Absorption in Yellow Sun-cured TobaccoJ. Tobacco Science & Technology, 2006, 39(6): 48-53. DOI: 10.3969/j.issn.1002-0861.2006.06.012
Citation: HE MING-JUN, FU YUN-PENG, AI YONG-FENG, WANG CHUANG, TANG GE-LI. Dry Matter Accumulation and Nutrient Absorption in Yellow Sun-cured TobaccoJ. Tobacco Science & Technology, 2006, 39(6): 48-53. DOI: 10.3969/j.issn.1002-0861.2006.06.012
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Dry Matter Accumulation and Nutrient Absorption in Yellow Sun-cured Tobacco

    Abstract
  • The rule of dry matter accumulation and nutrient absorption and distribution were studied during the growth of yellow sun-cured tobacco in field.The results indicated that the profile of dry matter accumulation and nutrient absorption in yellow sun-cured tobacco was "slow-fast-slow" all way through its growth period.The peak period of dry matter accumulation was mainly in 30-75d after transplanting, and the peak periods of macroelement and microelement absorption were in 30-60d and 45-75d after transplanting, respectively.The order of macroelement absorption was N > K > Ca > P > Mg, and that of microelement absorption wasMn > Fe > Cu > Zn > B > Mo.The organs in order of distribution ratio of dry matter and nutrients were leaf > stem > root.
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