发展我国设施农业节水灌溉技术的对策研究(pdf5)(1)

1000835072228m3612.42260m3l410913300m35000300m3600m3902190hm240600800m390300m320%-100%1974802180909030103050100cm---1(1)52°53°1200hm2l411035700170017060(2)27km223600mm30mm16130223000hm260(35500)60500t/hm2(333)(3)8000hm220-30(4)19955hm295.620CO21996700hm2254170280199886.7hm2[4]8011940hm26m2.63m30m90()9050hm219801995152330hm220hm219951996199730hm240600800m390300m320%-100%12a.b.c.NPKd.e.NPKf.24311996219963199729-234199814:12-16StudyonthecountermeasureofdevelopingefficientirrigationinprotectionagricultureYangPeilingLiYunkaiChinaAgriculturalUniversityBeijng100083AbstractToenhanceproveefficientirrigationinagricultureistheimportantmeasurementtoresolvethewatershortageprobleminagriculture.Promotingefficientirrigationtechnologyinprotectionagriculturewillbeadvantageofstabledevelopmentofefficientagriculture.ThepropertiesofagricultureandthesituationofwaterresourceshortageinChinawasanalyzedinthepaper.Andpresentdevelopmentofprotectedagricultureindomesticandinternationalandefficientirrigationtechnologywasreviewed.Itindicatedthatusingefficientirrigationtechnologyinprotectedagricultureisveryimportantandproposedthecountermeasurestoenhanceapplicationofefficientirrigationtechnologyinprotectedagriculture.Keywords:protectionagriculture,efficientirrigation25