Especially the handpick machines and tools of the seed such as commissariat, vegetable and economic crop.

• 二、良种精选机具：种子实现良种化需要机具筛选、除尘消毒，在农村这方面几乎是空白．尤其是粮食、蔬菜及经济作物等种子的精选机具．市场上很少有售。