搞好西瓜伸蔓期和结瓜期的田间管理,是夺取西瓜优质高产的关键,必须巧抓以下措施: 一、浇水追肥抓“巧施”。西瓜进入伸蔓期,需水肥较多,应追一次“伸蔓肥”。一般亩追尿素10～15公斤,过磷酸钙5～6公斤,距瓜苗25～30厘米处挖沟混施,沟深12～15厘米,施后覆土,随之浇一次“伸蔓水”。为防止因缺硼而产生生理病害,影响产量,应在花前叶面喷施0.5％的硼砂或硼酸溶液,隔7～10天喷一次,连喷两 Doing well watermelon extension and fruiting period of field management is to seize the key to high-quality and high yield of watermelon, we must skillfully grasp the following measures: First, the water catch dressing “Qiao Shi.” Watermelon into the stretch Manchurian, water and fertilizer more, should be chasing a “spreading manure.” General mu chase urea 10 ~ 15 kilograms, superphosphate 5 ~ 6 kilograms, 25-30 cm away from the melon seedlings ditch ditch mixing, ditch deep 12 ~ 15 cm, Shi Tu soil afterwards, followed by pouring a “stretch of vine” . In order to prevent the occurrence of physiological diseases due to lack of boron, affecting the yield, 0.5% borax or boric acid solution should be sprayed on the anterior leaf surface, sprayed once every 7 to 10 days,