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专题研究水稻对无芒稗的异株克生研究初报………… １（２）大湖灌溉稻区植被多样性研究初报…………１（５）运用除草剂技术进行杂交水稻除杂保纯的研究………………………………………………２（２）青岛口岸进口大豆携带杂草种子的风险分析…………………………………………
Special Report Studies on the Variation of Rice to Barnyardgrass Varieties (1) (1) (2) Preliminary Report on the Variety of Vegetation in Irrigated Rice Areas Pure research ...................................................... 2 (2) Qingdao port imported soybeans carry weed seeds risk analysis ....................................... .........