压砂地是西北干旱地区为抵御干旱,发展农业生产创造的一种蓄水、保墒、压碱、保苗的抗旱耕作栽培模式。干旱地区宜耕地铺压砂石后,不仅使西瓜增产显著,而且使西瓜品质明显提高。通过试验示范,筛选了深受市场欢迎的抗旱耐贮运的黑美人新品种,比当地的主栽品种金城5号亩产值高2.2 Sandy land is a kind of drought-resistant cultivation and cultivation mode for storing water, preserving soil moisture, caustic soda and preserving seedlings in the arid region of Northwest China to resist drought and develop agricultural production. After arable land is planted in arid areas, sand and gravel not only increase the yield of watermelon significantly, but also obviously improve the quality of watermelon. Through experiment and demonstration, the new black beauty breed well received by the market is selected, which is 2.2