近年制种区部分农民为了片面追求经济利益，私自将种子进行串换、倒卖。种子的大量流失，使公司蒙受了巨大损失，同时造成种子市杨的混乱和质量隐患。我们认为造成种子流失主要有以下三方面原因：1．在种子收购时，部分农民少交种或不交种，以高于收购价的价格直接出售，以获取 In recent years, some peasants in the seed-producing area, in order to pursue their economic interests unilaterally, have confiscated and reseeded seeds themselves. Large loss of seeds, the company suffered huge losses, while causing the seeds of the city of Yang chaos and quality problems. We think there are mainly three reasons for the loss of seeds: 1. At the time of seed purchase, some peasants sell less or not and sell directly at a price higher than the purchase price in order to obtain