籽瓜即籽用西瓜,有些地方也叫打瓜。兰州籽瓜则为兰州特产。籽瓜喜温,全生育期120天,要求积温2,400℃左右。耐早,在4—8月生育期内,降水100毫米以上,分布比较均匀,土壤含水量能保持在15%左右就可满足其需要。由于兰州的气候等条件适宜籽瓜的生长发育,因而所产黑瓜籽别具特色:形似牛眼,白心黑边,黑白分明,片子大,纵径16毫米,横径10毫米,千粒重240克;皮薄、口松、肉厚。被称作“兰州大片”,颇受国内外市场的欢迎。目前,兰州籽瓜在全省范围内种植面积已发展到48,000亩。主要分布在兰州、清远、会宁、临洮及张掖、武威等地。传统习惯,籽瓜均种在早砂地里,近几年随着地膜覆盖新技术的推广,生产上也开始采用水地地膜种植。一般情况,旱砂地 Seed watermelon that seeds with watermelon, also called in some places to fight melon. Lanzhou is the specialty of Lanzhou Seeds. Watermelon Hi temperature, the whole growth period of 120 days, requiring accumulated temperature around 2,400 ℃. Resistance to early, in April-August growth period, more than 100 mm precipitation, the distribution is more uniform, the soil moisture can be maintained at about 15% to meet their needs. As the Lanzhou climate and other conditions suitable for the growth and development of seed watermelon, which produced unique characteristics of black melon seeds: shaped like bull’s eye, black and white heart, black and white, large film, vertical diameter 16 mm, diameter 10 mm, 1000 g weight ; Thin skin, loose mouth, fleshy. Known as “Lanzhou blockbusters”, popular in domestic and foreign markets. At present, Lanzhou seed watermelon in the province planted area has grown to 48,000 acres. Mainly located in Lanzhou, Qingyuan, will Ning, Linqu and Zhangye, Wuwei and other places. Traditional habits, seed and melon are all planted in the early sand, in recent years with the promotion of new technology of plastic film mulching, the production has begun to use water film mulching. In general, dry sand