一、播种育苗 1.品种选择。主要品种有:花皮类型如庆发八号、少籽霸王龙;绿皮类型有特大庆红宝西瓜王、少籽深绿王、少籽巨宝;黑皮类型有庆发十一号。砧木品种应选择超丰七号(抗病超丰)、超丰8848、超丰F1。 2.苗床的准备。选用中棚或温室,内套小拱棚育苗。通常苗床长7～8米,宽1.0～1.2米,苗床深约15～20厘米。营养土应选用近几年未种过瓜类作物的肥沃土与优质腐熟土杂粪以7:3充分 First, sow seedling 1. Variety selection. The main varieties are: Huapi type, such as Qingfa No. 8, less seed tyrannosaurus rex; green type Daodi red watermelon king, less seed dark green King, less seed Jumbo; black type of hair on the 11th. Rootstock varieties should be selected Super Feng 7 (over-abundance disease), over abundance 8848, super abundance F1. 2. Seedbed preparation. Selection of shed or greenhouse, a small shed shed nursery. Seedbed usually 7 to 8 meters long, 1.0 to 1.2 meters wide, seedbed depth of about 15 to 20 cm. Nutritional soil should be selected in recent years have not been planted in the fertile soil melons and high-quality decomposed manure to 7: 3 full