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关于稳定杂交玉米制种基地的三点意见辽宁省凌源市种子公司（１２２５００）张国利种子繁育基地是农业一切优良品种的来源，基地稳定与否直接影响着种子公司的繁育经营计划。由于农业产品直接受自然因素的影响，当遭受自然灾害或受市场调节而使农民制种经济效益蒙受损失时...
Three Opinions on Stable Hybrid Maize Seed Production Base Lingyuan Seed Company of Liaoning Province (122500) Zhang Guoli Seed breeding base is the source of all fine varieties of agriculture. Whether the base is stable or not will directly affect breeding plan of seed companies. As agricultural products are directly affected by natural factors, when suffering from natural disasters or under the market regulation, farmers lose their economic benefits ...