娃娃菜是一种袖珍型白菜,属十字花科芸薹属白菜亚种,因其结球紧实,质量上乘而深受消费者青睐。河西走廊是甘肃省高原夏菜主栽区域之一,娃娃菜是该区域高原夏菜主栽种类~([1])。临泽县地处河西走廊中部,光照充足,土壤肥沃,昼夜温差大,农业污染轻,发展设施蔬菜具有得天独厚的条件~([2])。利用钢架大棚可以提高棚内温湿度,克服春季一些不利自 Baby cabbage is a pocket cabbage, Brassicaceae belonging to the Brassicaceae cruciferous subspecies, because of its tight knot, high quality and favored by consumers. The Hexi Corridor is one of the main planting areas of summer vegetables in Gansu Plateau. The baby cabbage is the main cultivated species of summer vegetables in the plateau of this region. [1] Linze County is located in the central Hexi Corridor, adequate illumination, fertile soil, large temperature difference between day and night, light agricultural pollution, the development of facilities and vegetables have unique conditions ~ ([2]). The use of steel shed can improve shed temperature and humidity, to overcome some of the unfavorable spring