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1Ʒλ˱ӣֹȫ99ҽе飬3400У%Ϊο͵ĴƷλġ2014չߵ鱨2014ʳչ421ա29վСOver70percentoffoodcropvarietieshasdisappearedinsixregionsinChina,includingCentralChinasHubeiandHunanprovinces,whichagriculturalexpertsfearmaythreatenChinaaveshrunkfrom11,590in1956to3,271in2014,accordingtoanationalfoodcropsmeetingonWednesdayinChangsha,capitalcityofHunanProvince,,,228countiesinChinainfivetosixyearsandsavedfoodcropresourcesin665counties,accordingtotheScienceandTechnologyDailyreport."Thelossoflocalfoodcropvarietiesresultedfromofthecountrysinadequatepreservationmethods,andsomeplacesonlyfocusedonyield,"LiXiaoyun,aprofessorattheBeijing-basedChinaAgriculturalUniversity,,soybeansandwheat,whilelowinyield,couldadapttothelocalenvironmentandresistdroughtorwaterlogging,Lisaid."TheirlosshaslessenedthediversityoffoodcropsinChina,whichmayultimatelyaffectthetotalyieldofthecountrysfoodcropsandthreatenfoodsecurity,",aresearchfellowattheChinaNationalHybridRiceRDCenter,toldtheGlobalTimesonThursdaythatsomenativevarietieswitharelativeestudy,,763ancientnativevarietiesandendangeredwildplants,andwillconductsurveysinprovincesincludingSichuan,Shaanxi,:Foodsecuritythreatenedbydrasticdropincropvarietiesձձ桷20180717յ07棩ԭ⣺вࣺҦ衢ţ

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2018-11-21 09:25:19

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٥2018-11-21 09:25:19

Ϊȥܸ˻δضԾиӰ졣֮ʣͣӾȷʵǸȥбҪǿҪ˶ѧӾӾ˶һ֧ӾĿãȷʵԺܺõؼٽЩӾ֪ʶԾȳʶȱµˮ¼ܹﵽǿʵá̽硰ӡջϣפ׹ѵĸܺ棬һֱжѡȡ߷ڵһλ

ߵ2018-11-21 09:25:19

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«Ԫ2018-11-21 09:25:19

ݸݳ±ܡĹֻίһּ򵥵ķʽȻΪеһͨԱ־ûм򵥵شգ㶫ʡڽһǿռѧӾ֪ͨ³ơ֪ͨҪʵӾҪճ̣չ滮һʱŬʵȫʡѧ˻Ӿ

2018-11-21 09:25:19

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