郑州地区旱作节水农业现状分析及发展对策

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1、河南农业大学硕士学位论文郑州地区旱作节水农业现状分析及发展对策姓名：钱蕾申请学位级别：硕士专业：农业推广·农业资源利用指导教师：朱云集;王朝伦20090501河南农业大学硕士学位论文ZhengzhouareadrysavingwateragriculturalpresentsituationanalysisanddevelopmentcountermeasureZhengzhouislocatedinthemountainstothewestofHenanProvinceandresidentsinHuanghuaiPlaintransitionzone．I

2、tistopographicallyhighinthewestandlowintheeast．Themountains．hillsandplainstakeupaboutone．thirdeach．11他annualaverageprecipitationisabout650mmandvariousmuchindifferentareasandtime．Theraindropunevenlydistributedseasonallyanddroughthappenedveryoften．Zhengzhouisbelongedtosub—humidareasp

3、roneandthereisnoirrigationconditionsathillareaandlowmountainsinwestern．Agriculturedependsentirelyonnaturalprecipitation．Accordingtothestatistics，nearly50％ofagriculturalareaislackofirrigation．Agriculture’Sabilitytoresistnaturaldisastersisveryweak，especiallyinthewesternhillyarea(incl

4、udingXinzheng，Ying-yang，themajorityofXinmi，Gongyinorth-east，centralandeasternpartsofDengfeng)．AlthoughthesoilhasadeepsurfacelaVer’mostsoilissandyloambecauseofthenatureofYellowSoliwhichhasapoorwater-retentioncapacity．So，thedevelopmentofwater-savingagricultureisamustandonlywayforthed

5、evelopmentoffutureagricultureinZhengzhou．ThelocalagriculturalprofessionalsandtechniciansinZhengzhOHarefacingpracticalproblemsforthewater-savingagricultureatpresent．Buttheyconductedacomprehensiveresearchanddevelopmentworktosolvetheissues．Tillthelate90’S．awater-savingagricultureculti

6、vationtechnologyfordryareahasbeeninitiallyformedwithanti．seepage．balancedfertilization，mulching，strawandotherelements．However,theproblemsofWater-savingagriculturedevelopmentemergedoutgraduallywhenChina’Seconomycontinuestodevelop．Thewaterresourcecontrolislackofmacro．contr01．砀epublic

7、donotPayenoughanentiononwaterconservation．乃eagriculturalactivitiesareshortofgovernmentsubsidies．Thewillofwater-savingisunifiedbetweengovernmentandfarmers．朋∞recycledusagesofwaterresourcesinagriculturedonotreceiveenoughattention．Thewater-savingtechnologyisout-of-dateandlowlevelofover

8、allintegratedapplicationso