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据调查：产于涉县山区的地方品种青米（青绿谷）营养价值高于小麦、大米，香味诱人，颜色青黑。在山区，青绿谷一般在山坡梯田种植就能取得很好收成，近年来，全县种植面积日渐扩大。生产实践表明，青米的质量与青绿谷的栽培管理关系密切。因此，提高青绿谷的栽培管理技术是保?
According to the survey: the local varieties of green rice (Qingreen Valley) produced in the mountainous areas of Shexian have higher nutritional value than that of wheat and rice with attractive fragrance and dark green color. In mountainous areas, green valleys can generally be harvested on hillside terraces. In recent years, the planting area of the county has been expanding. Production practice shows that the quality of green rice and green valley cultivation and management are closely related. Therefore, to improve the Green Valley cultivation and management techniques are Paul?