西瓜是大城市郊区一项重要商品生产。但是,由于天津郊区土质盐碱,早春干旱,水源不足,生产处于不稳定状态。为了寻求减少自然灾害影响的途径,我市国营农场采用了地膜覆盖栽培新技术,促进西瓜早熟丰产。在持续干旱、水源严重不足的条件下, Watermelon is an important commodity on the outskirts of a large city. However, due to the soil salinization in Tianjin suburbs, drought in early spring and insufficient water resources, production is in an unstable state. In order to seek ways to reduce the impact of natural disasters, the state-owned farm in our city adopted a new technology of plastic film mulching to promote early maturity and high yield of watermelon. Under the conditions of continued drought and severe water shortage,