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1、选择优良品种:优良的早熟西瓜品种有:密宝、美宝、中汴一号、134、龙密105、密桂和郑杂五号等。这些品种从开花到果实成熟,一般只需30 40天左右,并且产量高、皮薄、昧甜、品质佳。 2、提早定植:采用火坑或电热温床育苗。为提高种子发芽率,可用适量草木灰加温水浸种,发芽率达91％以上。2月中、下旬播种,3月中、下旬幼苗3—4片真叶时定植。预先整平地块,每亩栽植800-900株,采用双膜覆盖(地膜外加小拱棚),4月下旬揭膜。
1, select the fine varieties: good varieties of early-maturing watermelon are: Mibao, the United States and Po, Zhongli One, 134, Long Mi 105, Miu Miu and Zheng miscellaneous fifth. These varieties from flowering to fruit maturity, generally only 30-40 days, and high yield, thin, sweet, good quality. 2, early colonization: the use of fire pit or electric hotbed nursery. In order to improve the germination rate of seeds, we can use the appropriate amount of ash soaking in warm water, the germination rate of more than 91%. February mid and late seeding, mid March and late seeding 3-4 true leaves when planting. Pre-leveled plots, planted 800-900 acres per mu, using double-film coverage (plus small shed plastic film), opened in late April film.