连续2年稻草还田腐熟对连作烟田土壤性状及烤烟产质量的影响-论文.pdf

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1、江西农业学报2014，26(4)：46～49AetaAgrieuhuraeJiangxi连续2年稻草还田腐熟对连作烟田土壤性状及烤烟产质量的影响黄功标，杨秉业，陈均(1．福建省农田建设与土壤肥料技术总站，福建福州350003；2．福建省长汀县土壤肥料技术推广站，福建长汀366300)摘要：20112012年在长汀多年烟一稻轮作烟田进行稻草还田腐熟田间定位试验结果表明，连续稻草还田对烟田土壤性状及烤烟产量与品质均有明显影响，其中土壤客重、有机质、全氮、速效钾变化差异达极显著水平；促进烟株生长，提高

2、烟株的抗病性；2年烟叶产量、产值统计，稻草还田腐熟、稻草直接还田烤烟产量分别比处理1(cK)增产9．0％和6．4％，烤烟产值分别比处理1(cK)提高13．6％和10．1％；增产增收效果显著，且第2年的效果大于第1年。烟叶内在化学成分均在比较适宜的范围内，上中等烟叶比例迭90％以上，进而获得理想的经济、生态效益，在连作烟区应更大面积推广。关键词：稻草还田；腐熟剂；土壤性状；烤烟产质量中图分类号：$572文献标志码：A文章编号：1001—8581(2014)04—0046—04EfectsofRet

3、urningRiceStrawtoFieldplusApplyingDecompositionAgentforConsecutiveTwoYearsonSoilCharactersofContinuousCroppingTobaccoField，andYieldandQualityofFlue——curedTobaccoHUANGGong—biao‘，YANGBing—ye，CHENJun(1，GeneralStationofFarmlandConstructionandSoil&Fertili

4、zerTechnologyofFujianProvince，Fuzhou350003，China；2．SoilandFertilizerTechniqueExtensionStationofChangtingCountyinFujianProvince，Changting366300，China)Abstract：Thelocationtestsforreturningricestrawtofieldplusapplyingdecompositionagentwereea~iedoutinmuh

5、i—yeartobacco—ricerotatingtobaccofieldinChangtingcountyduring2011～2012．Theresultsindicatedthatcontinuouslyreturningricestrawtofieldhadobviousinfluencesofthesoilcharactersoftobaccofield，aswellastheyieldandqualityofflue—earedtobacco．Thesoilbulkdensity，

6、organicmattercontent，totalnitrogencontentandavailablepotassiumcontentchangedverysignificantlyafterreturningricestrawtofield．Returningricestrawtofieldpromotedthegrowthoftobaccoplants，andimprovedthediseaseresistanceoftobaccoplants．The2一yearaveragetobac

7、coleafyieldintreatment3(returningricestrawtofieldplusapplyingdecompositiona—gent)andtreatment2(directlyreturningricestrawtofield)wasrespectively9．0％and6．4％higherthanthatintreatment1(noreturningricestrawtofield)，andthe2一yearaverageproductionvalueofflu

8、e—curedtobaccowasalso13．6％andl0．1％higherrespectively．Soreturningricestrawtofieldhadsignificantyield—increasingandincome—increasingeffects，andtheeffectsinthesecondyearwerelargerthanthoseinthefirstyear．Afterreturningricestrawtofield，thecontentsofinhere