实施“３３３工程”更新常规作物品种西丰县种子管理站孙福吉，万普林，程启元近些年来，我们着重抓了“两杂”种子的产供销工作，对我县粮食产量增长起了巨大作用。但却忽视了占全县粮油总面积３２．５％的常规作物的品种更新和供应工作，产生了不少弊端。为了解决这些问... Implementation of “333 Project” to Update Conventional Crop Varieties Xifeng County Seed Management Station Sun Fook Chi, Wan Pulin, Cheng Kaiyuan In recent years, we have focused on the production, supply and marketing of “two hybrids” seeds and have played a significant role in the grain output growth in our county . However, it has neglected the breed renewal and supply work of the conventional crops that account for 32.5% of the total area of ​​grain and oil in the entire county, which caused many drawbacks. In order to solve these questions ...