鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策

鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策

ID:36571756

大小:3.51 MB

頁數(shù):46頁

時間:2019-05-12

鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策_第1頁
鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策_第2頁
鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策_第3頁
鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策_第4頁
鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策_第5頁
資源描述:

《鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。

1、河南農(nóng)業(yè)大學(xué)碩士學(xué)位論文鄭州地區(qū)旱作節(jié)水農(nóng)業(yè)現(xiàn)狀分析及發(fā)展對策姓名:錢蕾申請學(xué)位級別:碩士專業(yè):農(nóng)業(yè)推廣·農(nóng)業(yè)資源利用指導(dǎo)教師:朱云集;王朝倫20090501河南農(nóng)業(yè)大學(xué)碩士學(xué)位論文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.a(chǎn)water-savingagricultureculti

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

7、donotPayenoughanentiononwaterconservation.乃eagriculturalactivitiesareshortofgovernmentsubsidies.Thewillofwater-savingisunifiedbetweengovernmentandfarmers.朋∞r(nóng)ecycledusagesofwaterresourcesinagriculturedonotreceiveenoughattention.Thewater-savingtechnologyisout-of-dateandlowlevelofover

8、allintegratedapplicationso

當(dāng)前文檔最多預(yù)覽五頁,下載文檔查看全文

此文檔下載收益歸作者所有

當(dāng)前文檔最多預(yù)覽五頁,下載文檔查看全文
溫馨提示:
1. 部分包含數(shù)學(xué)公式或PPT動畫的文件,查看預(yù)覽時可能會顯示錯亂或異常,文件下載后無此問題,請放心下載。
2. 本文檔由用戶上傳,版權(quán)歸屬用戶,天天文庫負(fù)責(zé)整理代發(fā)布。如果您對本文檔版權(quán)有爭議請及時聯(lián)系客服。
3. 下載前請仔細(xì)閱讀文檔內(nèi)容,確認(rèn)文檔內(nèi)容符合您的需求后進行下載,若出現(xiàn)內(nèi)容與標(biāo)題不符可向本站投訴處理。
4. 下載文檔時可能由于網(wǎng)絡(luò)波動等原因無法下載或下載錯誤,付費完成后未能成功下載的用戶請聯(lián)系客服處理。