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一、亩产8斤种子的栽培技术 (一)打穴下肥,精细整地,为瓜苗创造良好的生活条件:我所多倍体西瓜南繁是在海南岛崖县。选择的地块为沙壤土,肥力中等,前作是花生。9月15日起,先行三耕两耙,做到深耕、耙碎、展平。做成幅宽8—9尺的畦床,畦面两边打定植穴,穴的规格1尺见方,穴距1.2—1.5尺。以每亩钙镁磷肥80斤、牛粪2,000斤,石灰80斤的施肥量依次施入穴中,与土拌匀,做成瓜墩。在瓜墩上用福尔马林均匀喷雾(每亩用福尔马林1斤,兑水50斤),进行土壤消毒。 (二)土块播芽,培育壮苗,打好西瓜丰产基础:我们于10月5日开始播种,采用营养土块育苗移栽。土块成分是,70％的火土灰,30％的腐熟塘
First, the cultivation of seed kilos per mu (a) hit the point of fat, fine preparation, for the melon seedlings create a good living conditions: My polyploid watermelon South Fan is in the island of Hainan Island Cliff. Selected plots of sandy loam, medium fertility, before the peanut. September 15, the first three tillage two rake, deep plowing, rake broken, flattened. Made of 8-9 feet in width 畦 bed, 打 face planted holes on both sides, the hole size of 1 foot square, hole distance of 1.2-1.5 feet. In order to per acre 80 kg of magnesium magnesium phosphate fertilizer, cattle manure 2,000 kg, lime 80 kg of fertilizer applied to the hole in turn, mix well with soil, made Kua pier. In melon pie with formalin spray evenly (1 kg per mu with formalin, watered 50 kg), soil disinfection. (B) soil sowing buds, nurturing strong seedlings, lay a good watermelon foundation: We started sowing on October 5, the use of nutrition soil nursery transplanting. Clay composition is, 70% of the ash, 30% of the boiled pond