燕麥與不同作物間混作生態(tài)效應的研究.pdf

1、內蒙古農業(yè)大學碩士學位論文燕麥與不同作物間混作生態(tài)效應的研究姓名：劉慧申請學位級別：碩士專業(yè)：植物學指導教師：田自華劉景輝20080501StudiesonEcologicalEffectsofIntercroppingandMixedCroppingPatternsofDifferentcropsandoatsAbstractIn2005、2007，theexperimentwasconductedinHohhot，studyonil

2、luminationintensitysoiltemperature，watercontentandsoilsoilnutrientcontentinintercroppingandmixedcroppingoatswithdifferentcropsTheresultsshowed：Intercroppingandmixedofdifferentcropsandforageandoats，silagemaize、sudangrass、

3、soybean、millet、pea、alfalfa、bromegrasscomparedwithmonocroppingtransmittanceofmiddlepartandbottomincreased，buttransmittanceofPotatoandOatsdecreased，atwholegrowthstage‘During5cm30cm，soiltemperatureofpopulationofintercroppin

4、gandmonocroppingtendingtodecreasefrowshallowtodeepstratasoiltemperatureof5M5鋤decreasedverymuch，soiltemperatureof2030cmhadlittledifferencesSoiltemperatureofintercroppingandmonocroppingpoputation，intercroppingmonocropping，

5、butthepopulmionofPeaBromegrassandoatsismonocroppingintercroppingInharvesttime，morphologicalindexofimercroppingandmonocroppingofoatspopulationisintercroppingmonocroppingPlantheight，caulingthickandgreenleafsareaofintercrop

6、pingofmilletandoats、intercroppingofpeaandoats、mixedofalfalfaandoats、mixedofbromegrassandoats，comparedwithmonocropping，respectivelyincreasedl83％、750％、430％、412％、531％、267％、9O％、594％and333％、4O％、219％、131％功eyieldsof“greenforage

7、andheyforintercroppingsystemwereincreased勱ehighestyieldisintercroppingofpeaandoatsitincreasedby288％and278％ascomparedwithmonocroppingcrops，theyieldsofgreenforageandheyintercroppingofsoybenandoatsincreased242％and164％mixedo

8、fAlfalfaandoatsincreased179％andl69％，intercroppingofsudangrassandoatsincreased159％and15O％，intercroppingofmilletandoatsincreased148％andl39％intercroppingofpotatoandoatsincreased99％and9O％，mixedofBromegrassandoatsincreased95％

9、and87％，intercroppingofsilagemaizeandoatsincreased37％and23％Crudeprotein、crudefatandcrudefibercontentinintercroppingsystemweregreaterthanthosefor。monocroppingComparedwithmonocropping，respectivelyincreased93％374％、1O％～602％、3