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《Guizhou Agricultural Sciences》 2008-06
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Effects of Different Planting Density and Potassium Level on Yield of Feiwuruita(a Virus-free Potato Variety)

LIU Hui,WEN Yun-shu,CHEN Guan-gyu,YUAN Fang-qiang(Yuqing Station for Popularizing Agricultural Technique,Yuqing,Guizhou 564400,China)  
Feiwuruita(a virus-free potato variety) was tested by the randomized blocks design to study effects of different planting density and potassium level on its yield in Yuqing county with 600 meters above sea level.The results showed that there were significant difference between densities,potassium levels and density×potassium level and the highest yield(1722.2 kg/667m2) could be obtained under 5000 plants/667m2 and 15kg/667m2 of potassium level.
【Fund】: 优质专用马铃薯生产基地建设项目“贵州省脱毒马铃薯良种扩繁、推广与高产示范”[黔农发(2007)150]
【CateGory Index】: S532.062
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