3種禾草不同混播比例建植植被的護(hù)坡性能研究.pdf

1、分類號U416.14學(xué)校代碼10129UDC632.2學(xué)號20132040793種禾草不同混播比例建植植被的護(hù)坡性能研究TheSlopeProtectionResearchofThreeMixedGrassesPlantingVegetationofDifferentProptions申請人：李琴學(xué)位類別：農(nóng)業(yè)推廣碩士領(lǐng)域：草業(yè)研究方向：城鄉(xiāng)綠化與植被恢復(fù)指導(dǎo)教師：王建光論文提交日期：二〇一五年六月TheSlopeProtectionR

2、esearchofThreeMixedGrassesPlantingVegetationofDifferentProptionsAbstractIthasbecomeatrendtoconstructeconomicecologicalbenefitsofcodination“ecotype”Highwaywiththeconstructionofecologicalcivilizationwrittenineighteenrept.W

3、eresearchedtheslopeperfmanceofmixedSmoothbromegressWheatgressBahuriawildryegressindifferentproptionsatsemiaridplainsofroadsidelakeTumochuanHasuhaiInnerMongoliaprovidedscientifictheeticalfbioengineeringslopeprotectioninth

4、enthernaridsemiaridareasofsoilerosion.ThetestsetupsevenprocessingincludingthreegrassunicastprocessingSmoothbromegressWheatgressBahuriawildryegressmixtureprocessingwith1:112:1:11:2:11:1:2.Weresearchedtheecologicaladaptabi

5、litypreventsoilerosion，lscapebenefit..Wecarriedonthesignificanceanalysisusingvarianceanalysiscomprehensiveanalysisusinganalytichierarchyprocess.Alltreatmentstestedemergingtime、emergingrate、droughttolerac、overwinteringrat

6、e、speedincoveringtime、heightofgrasslayer、density、coverage、abovegroundbiomass、Interceptioneffectofstemleaf、belowgroundbiomass、rainerosion、unifmity、weedstatus、greendegree、greenstage.ResultsindicatethattheprocessofSmoothbro

7、megressWheatgressBahuriawildryegressmixtureprocessingwith1:1:2isbetterthantheothers.Thegrassseedsoftheprocesshavehighunderstingsuitabletheentironmentofdroughtcoldsoilsalinityinnthernplantingfasthightilleringabilityhighco

8、veragehighrootcontentthesoilwaterconservationbenefitisremarkable.Thatprocessisanexcellentcombinationtoprotecttheslope.Keywds:Gramineousgrass；Seedingrate；Protectionperfmance；Bromusstamineus；Wheatgress；BahuriawildryegressD