一、沙存法选择空气流通的房屋,打扫干净,用细河沙垫底,厚7～10厘米。选阴天或晴天傍晚,采收七成熟、无损伤,无病虫、瓜形正的西瓜。每瓜留三个蔓节。在蔓的两端离节3厘米处切断,切口立即沾上草木灰,以防细菌感染。每瓜留一绿叶。然后运入贮存室,排放在河沙上,再在西瓜上盖一层沙厚约5厘米,瓜叶留在外面以制造养份,保瓜成熟。需注意搬运要轻拿轻放,沙存只 First, sand law Choose the air circulation of houses, clean, with thin sand bottom, thick 7 to 10 cm. Select cloudy or sunny evening, harvest seven mature, no damage, no pest, melon-shaped watermelon. Three melons per melon stay. At both ends of the vine cut off from the section 3 cm, incision immediately stained with ash, to prevent bacterial infection. Leave a green leaf for each melon. And then transported into the storage room, discharged in the river sand, and then covered with a layer of sand about 5 cm thick watermelon leaves to stay outside to create nutrients, Paul melon mature. Care should be taken to handle gently, sand deposit only