黑龍江省大豆根瘤菌復合顆粒肥的研制及其應用技術研究.pdf

1、中國農業(yè)大學碩士學位論文黑龍江省大豆根瘤菌復合顆粒肥的研制及其應用技術研究姓名：盧林綱申請學位級別：碩士專業(yè)：農業(yè)推廣種植業(yè)指導教師：隋新華20050901中國農業(yè)大學碩士學位論文英文摘要DevelopingBrad≯’rhizobiumjaponicumMixedPelletFertilizerandItsApplicationinHeilongiiangProvinceAbstractTomeetthetechnicalrequir

2、ementofmechanizedsowingandseedcoatingwithbactericideinSOybeanproduction，weconductedaseriesofteststodevelopBradyrhizobiumjaponicummixedpelletfertilizerandthecorrespondingapplicationmethodswereinvestigatedSomeefficientrhiz

3、obialstrainslikeNK246，316，etcwerescreenedspeciallyadaptedtothesofttypeandsoybeancultivarsinHeilongjiangprovinceItWaSshowedthatapplicationoftherhizobiatogetherwithKdissolvingbacteriaandPdissolvingbacteriaCanincreaSesoybea

4、nyieldAmutualbenefiteffectwasfoundwhentherhizobiawereappliedwithmicroelementmolybdenum，cobaltandtungstenThreeformulaSofefficientmultistrainfertilizerswhichmainlycomposedof且japonicumweredevelopedTheworkingflowkeytechnique

5、sandparametersformanufacturingmixedpelletfertilizerwerefinishedTwonewtechniqueswereinnovated，(1)2steppelletformingbysqueezingitinmouldfirstandrollingitinatraylater；and(2)dryingthepelletatlowtemperaturebybakingitalongthew

6、indfirstanddryingitagainstthewindlaterSomekeytechniqueparametersuchassuitablewindtemperature(72“C一77“C)，pellettemperature(10werthan456C)，dryingtime(notexceed16minutes)，etc，wereestablishedTheeffectofmixedpelletfertilizero

7、ntheusefulbacterianumberinsoil，rootnoduledistributionandsoybeanyieldwasinvestigatedincomparisonwiththetraditionalseedinoculationmethodwithrhizobialpowderAnewtechniquewasdevelopedtoputmixedpelletfertilizerintoseedlayerand

8、foundtoincreasesoybeanyieldby85％1213％andtosavechemicalfertilizerby20％inalbicsoiland30％40％inmeadowblacksoilrespectivelyinfouryearsIn2001～200414088tonofsuchmixedpelletfertilizerhadbeenmanufacturedandappliedinfieldswithtota

9、lareaof40250hm‘Theapplicationofmixedpc[1etfertillzergreatlyincreasedsoybeanyieldanddecreasedchemicalfertilizerinputthereforehelpedtoprotectthesoilenvironmentandproduce“greensoybean”ThenewfertilizerCallbemixedwithchemical

10、ferillize搏andbeappliedbymachinesItwasevaluatedasanewhightechnicalproductinHeilongjiangprovincein2004NosimilarproductwasreportedinthePub]ishedliteraturesKeyword：Bradyrhizobiumjaponicwn，mixedpelletfertilizermanufacturetech