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时间:2020-04-12
《不同灌水处理对烤烟生长发育的影响研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、天津农业科学TianjinAgriculturcdSciences2015,21(7):132-136·作物栽培与设施园艺不同灌水处理对烤烟生长发育的影响研究杨苹,程智敏,向金友,谢冰2,3,蔡毅,黄胜,唐明(1.四川省宜宾市农业科学院,四川宜宾644600;2.四川省烟草公司宜宾市公司,四川宜宾644000;3.四川农业大学农学院,四川温江611130)摘要:烤烟是一种对水分比较敏感的作物,水分过多或不足均会影响烤烟的生长发育及产质量的形成。通过试验研究了不同灌水处理对烤烟生长发育的影响,探讨适宜的土壤水分调控技术。结
2、果表明,常规灌水处理烤烟的经济性状最佳,产量、产值明显增加。土壤常规灌水、大水漫灌、微灌的处理,与土壤不灌水处理相比,烟叶产量分别提高3.57%,1.79%,1.37%,产值分别提高6.98%,3.24%,1.7%;烤烟在常规灌水时,烟叶的产值、产量最大,每公顷增加产值2964.6元,每公顷增加产量74.25。同时,常规灌水时作物的蒸腾作用、光合作用促使烟叶物质的分解代谢与合成代谢正常进行,烟叶的各化学成分协调一致,有利于烤烟各项生理活动进行,从而获得良好的生产效益。关键词:土壤含水量;烤烟;生长发育;产质量中图分类号:
3、$572文献标识码:ADOI编码:10.3969~.issn.1006—6500.2015.07.030EfectsofDiferentIrrigationTreatmentsonTobaccoGrowthYANGPing,CHENGZhi-min,XIANGJin-you,XIEBing2,CAIYi,HUANGSheng,TANGMing(1.YibinAcademyofAgriculturalSciences,Yibin,Sichuan644600,China;2.YibinTobaccoCompany,Yibin
4、,Sichuan644600,Chi—na;3.SchoolofAgriculture,SichuanAgriculturalUniversity,Wenjiang,Sichuan611130,China)Abstract:Flue-curedtobaccoisrelativelysensitivetowater.Excessiveorinsufficientmoisturewillaffecttheformationofgrowth,yieldandqualityofflue—curedtobacco.Thisexpe
5、rimentistostudyeffectsofdiferentirrigationtreatmentsonthegrowthanddevel—opmentofflue-curedtobacco,exploreappropriatesoilmoistureregulationtechnology.Theresultsshowedthatwithregnlarirrigation,tobaccooptimaleconomictraitsyield,andoutputincreasedsignificantly.Compar
6、edwiththesoilwithoutirrigationtreatments,byCOil—ventionalsoilirrigation,floodirrigationandmicro-irrigationtreatment,tobaccoproductionincreasedby3.57%,1.79%and1.37%,andtheoutputvalueby6.98%。3.24%and1.7%respectively.Whentheflue-curedtobaccoisgrownwiththeconventiona
7、lirrigation,tobaccooutputandvaluereachthehighest.withanincreasingvalueof2964.6yuan·hm一.andanincreasingyieldof74.25kg·hm~.Meanwhile,croptranspirationandphotosynthesisunderconventionalirigationconditionpromotecatabolismandanabolismtodevelopinanormalway.Thechemicalc
8、ompositionoftobaccocoordinated,flue-curedtobaccohasagoodinfluenceonphysiologicalactivi—ties,andobtainagoodproductioneficiency.Keywords:soilwatercontent;flue—cu
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