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Volume 22 Issue 1
Apr.  2012
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Article Contents
LI Liang-yong, LI Fan, HUANG Song-qing, ZOU Xi-ming, HUANG Guo-qiang, LIU Feng. Effect of straw-returning amount and manner on the nutrient uptake,yield and quality of flue-cured tobacco[J]. Fujian Journal of Agricultural Sciences, 2007, 22(1): 10-14.
Citation: LI Liang-yong, LI Fan, HUANG Song-qing, ZOU Xi-ming, HUANG Guo-qiang, LIU Feng. Effect of straw-returning amount and manner on the nutrient uptake,yield and quality of flue-cured tobacco[J]. Fujian Journal of Agricultural Sciences, 2007, 22(1): 10-14.

Effect of straw-returning amount and manner on the nutrient uptake,yield and quality of flue-cured tobacco

  • Received Date: 2006-11-25
  • Rev Recd Date: 2007-02-08
  • Publish Date: 2007-03-15
  • Effect of straw-returning amount and manner on the nutrient uptake,yield and quality of flue-cured tobacco were studied in field condition.The results showed:(1) Straw-returning treatment increased shoot biomass apparently,the decomposed straw and direct straw-returning treatments were better than straw-covering treatment.The effeciency of straw-returning was positively correlated to the straw-returning,but the effeciency of direct straw-returning treatment descended when the amounts excessed 5 250 kg·hm-2.(2)Sstraw-returning treatment improved the accumulation of N,P,K,Ca,Mg,Zn,Mn in plant,the decomposed straw and direct straw-returning treatments were superior to straw-covering treatment.The accumulation of N,P,K was positively correlated to straw-returning amount generally,but the correlation between the accumulation of Ca,Mg, Zn,Mn and the amounts was unapparent.(3)The straw-returning treatment decreased the amounts of reducing sugar,TN and RS/Nie in middle leaves,meanwhile,increased the amounts of Nie and TN in top and middle leaves,the effect on top leaves was most obvious by decomposed straw-returning way,the relationship between effect and amounts showed positive correlation,the effect on top leaves was most obvious by direct straw-returning way,between effect and amounts also showed positive correlation.(4)The treatments improved the economic characteristics of cured tobacco,but the effeciency treatments of decomposed straw-returning and direct straw-returning treatments decreased when over-retruning the straw amounts.
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    杨文钰,王兰英.作物秸杆还田的现状与展望[J].四川农业大学学报,1999,17(2):211-216.
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