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目前，正是购买菜籽的季节。选购时应注意以下四点，以免上当受骗。一、注意“三证”的有无选购菜籽要到持有准繁证、检疫证、经销证（营业执照）的单位或部门购买，不要随意购买无证商贩及种源不清的菜籽。二、注意品种适应性购买菜籽时，首先要了解自己的菜地适合种啥蔬菜品?
At the moment, it is the season of buying rapeseed. When buying should pay attention to the following four points, so as not to be deceived. First, pay attention to the “three cards” without the purchase of rapeseed To hold the prospective, quarantine certificates, marketing licenses (business license) units or departments to buy, not free to buy undocumented traders and provenance dishes seed. Second, pay attention to the adaptability of varieties to buy rapeseed, we must first understand their own vegetables suitable for what kind of vegetables?