我国农用塑料应用技术的发展与展望Ξ

X(,100026):2080,,,,,:;;;:TQ320.73:A:1001-9456(2001)02-0009-04DevelopmentandProspectforAgriplasticAppliedTechnologyinChinaZHANGZhen2he(ChinaSocietyofAgriplasticAppliedTechnology,Beijing100026,China)Abstract:Since1980s,modernagriculturalcoveringmaterials,containersforgrowingseedlingsandplasticwatersavingirrigationapplianceshavefoundmoreandmoreapplicationsinagriculturalproductioninChina.TheagriplasticappliedtechnoloigyinChinaisreflectedbyintroducingtheapplicationsanddevelop2mentoftheabove3fields.Keywords:agriplastics;coveringmaterials;watersavingirrigation;containerforgrowingseedlings,,,,,11.11.1.12050,1969,80,19851986,618,1995199669191,19992000160140t,70t(1)38,25,-10-20,,PVCPE;,,PE80m120mEVA,PVCPE,(2),55,,,,80PE,60m80m,100m120m,VAEVA,(3),,920012(30)X:2000-07-02,70,PEPVC,30m50m,VAEVA,500,,1.1.2.;80,;80,,;90,2m2,86000m2,3500t1.1.3,,,,,,400m2,150022,1.1.42060,,,1979,,1000,50t15m,5m8m,,1.1.580,,5t,30%,16t1.22300m3,1/4,,2070,,1530,26%;100,520,()14660%90%;30%50%,5%10%;10%30%,30%,100t1.380,,60080,,90,,4005t,3t,,(),25t30t2,1999200070t,16017t,24.3%,75.7%,,,,2.1,,46,,,,,,810,,,;PE0120012(30),,1218,35,,8,1215,0.3g/10min0.7g/10min,;,,,,,,,;2.2,;,1235810,,,,PE24,PE34,PVC46,EVA68,,,,,,,;1418,,2.3,,;,,,,,,,,,,,2010,30t,40%3,,3.1,,,0.35m3.00m,0.35m,3m7m11m,0.315m0.38mVcVD,;0.36m;,0.345m,0.37m,0.315m,,0.35m7m11m,,,,1120012(30),3.23,,;,(),;,,,,,,,,6kg/m38kg/m312kg/m315kg/m33.3,,;3.43.5,3.644.12010,200,,23.4%40%,,;1400;,3700,1000,27%,2010,17004.22010,3000,300,1000,7004.32010,1400,:[1],.[J].,1998.[2]()[J].,1997,7,8.(WJW),10,,,,,,,,,1,310,,,,,,(),,,()2120012(30)