黑龙江省农作物品种试验、审定制度从1956年开始实行以来,经历了起步、规章建立、改革发展和提高完善四个阶段。并且逐步行成了“五统一”的审定工作方法,即由省统一组织试验、统一试验技术规程、统一对照品种、统一汇总试验结果,由省统一审定、命 Heilongjiang Province crop varieties trials, validation system since its inception in 1956, has gone through the start, the establishment of rules, reform and development and improve the improvement of the four stages. And step by step has become a “five unities ” validation method of work, that is unified by the provincial organization test, unified test technical regulations, unified control varieties, a unified summary of test results, unified by the provincial validation, life