- Clearwatergushedintotheirrigationalchannel.TheresultshowsthatrunoffdroughtindexandspringwheatclimateoutputofHexiirrigationalareaappearsoppositevariationtendency.TheresultshowsthatrunoffdroughtindexandspringwheatclimateoutputofHexiirrigationalareapres...
- 19591