湘中地區(qū)稻田高產(chǎn)高效種植模式比較研究.pdf

1、湖南農(nóng)業(yè)大學(xué)碩士學(xué)位論文湘中地區(qū)稻田高產(chǎn)高效種植模式比較研究姓名：羅華申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：種植指導(dǎo)教師：鄒冬生2003.6.1ComparativeStudyontheHighyieldingandHigh。efficientCroppingPatternsofPaddyinCentralHunanAbstractThisstudyanalyzedthericeecosystemofcentralpartdistrictsofHun

2、anprovinceieLoudi，ShaoyangandHengyangTheparticulardataofthemainlocalcroppingpatternsinPaddywasgatheredextensivelybythestatisticaldatafieldinvestigationandquestionnairesurveyFifteenkindsofrepresentativetypicalPaddyecosyst

3、empatternincentralHunanwerecomprehensiveevaluationbyweightedexponentialmethodandtheirenergyutilization，nutrientequilibriumandeconomicbenefitwereanalyzedbycitingtheformerresearchproductionandinspectingindoorsThemainresult

4、swereasfollows：1ThesuitableextensivePaddycroppingpatternsincentralHunanwererape／watermelonlaterice，maizesoybearllaterice，maizesinglelaterice，soybeansinglelaterice，rapemiddlereasonrice，potatosinglelaterice，peanutsinglelat

5、ericeThesecroppingpatternshadbetterecologicalbenefit，economicbenefitandsocialbenefitandwouldbebetterfortransformingruralsurpluslaborsinlocalandimprovingtheregionaleconomicdevelopmentThePaddycroppingpaRemsofsuitableextens

6、ivecharacteristicindustriesinregionwereforageglassorrushlaterice，earlyrice—lilylatericeflue—curedtobacco1atericeTheseindustriesweresuitableregionaldevelopment，andformedcharacteristicindustryThesuitablePaddycroppingpatter

7、nsinsuburbandsmallregionalscaledevelopmentwerecapsicumsinglelaterice，waxgourd’singlelaterice，potatosinglelaterice，rapewatermelonlatericeItwouldgetthehighereconomicalbenefitandsocialbenefitthatdevelopinginsuburbandinformi

8、ngregionalcharacteristicproductionadvantage2ThemainproblemincroppingpattemofcentralHunanprovincewerethatthestepwerestillsmallinnovatingtraditionalcropping，manyfarmershadfallenbehindinideasandlackedtheideasofmarketing，“fo

9、od‘pig”patternstillhadevidencetrialandtheproportionoffoodWashigh，thebenefitofPaddyWaslowItneedsincreaseofthedepthofmacroscopicregulationandscienceaboutstripped_downinPaddyecopatternTheregionalplanningWasneglectedduringre