据江津县五举乡西瓜种植户的经验,西瓜采用营养钵薄膜育苗,产量比露天育苗提高20％左右。其方法是: 一、种子处理。将选出的种子翻晒一二日,然后用一瓢开水兑一瓢冷水浸种一昼夜后捞出晾干,用纱布包好放入灶锅保温二三天,温度不超过35℃,待种子破肚露白后即可播种。二、播种育苗。用肥沃的壤土,加入腐熟的人畜粪、渣肥、适最的磷肥和氮肥,混匀成不干不湿,既能捏成团,又能将泥团挞散成面。然后将混匀的营养土捏成小拳头大的营养钵,每钵播种1—2粒,再用含20％草木灰的灰土盖种,每钵相隔一寸左右,泼清水粪后用小拱棚塑料薄膜覆盖。一般于3月中下旬播种,播种一周出苗, According to the five counties in Jiangjin County, watermelon growers experience, watermelon nutrition bowl thin film nursery, seedling yield increased by about 20% open-air. The method is: First, seed treatment. The selected seeds for drying one or two days, and then with a scoop of boiling water against a scoop of cold water soaking a day and night remove and dry, wrapped with gauze into the stove insulation two or three days, the temperature does not exceed 35 ℃, to be broken seeds Lu Bai can sow. Second, sow seedlings. With fertile loam, add manure, manure, slag fertilizer, the most appropriate phosphate fertilizer and nitrogen fertilizer, mix into a dry, both pinch into groups, but also the muddy tarts scattered into the surface. Then mix the nutrition soil into a small fist nutrition bowl, sowing 1-2 capsules per bowl, and then cover with ash containing 20% ​​ash, about one inch apart each bowl, pour water after the dung with small shed plastic film cover. Generally in late March sowing, planting a week emergence,