甘薯高产栽培技术

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我省甘薯的种植面积,在秋粮中仅次于玉米、高梁和谷子,占第四位,有些地区,甘薯还是主要秋粮作物。努力提高甘薯产量,是夺取秋粮增产的一个重要方面。甘薯的生长分为前、中、后三个阶段。生长前期以长叶蔓为主,中期为蔓薯齐长,后期则以长薯块为主。在管理上要求促、控、促,即前期促苗早发,中期稳健生长,后期促块增重。一、打好基础根据甘薯本身具有的喜温、喜气、喜钾的特点,要求有一个深厚的松塇的活土层,并要 The planting area of ​​sweet potato in our province is second only to corn, sorghum and millet in the autumn grain, occupying fourth place. In some areas, the sweet potato is still the main autumn grain crop. Efforts to increase sweet potato production is to seize the autumn grain yield an important aspect. The growth of sweet potato is divided into before, during and after the three stages. The main growth of the early leaves of vine-based, medium-term manchurian Qi long, late to long tuber-based. Require management in the promotion, control, and promote, that is early prophylaxis seedling early, stable growth in the medium-term, promote late block weight gain. First, lay the foundation According to the sweet potato itself has a warmth, festivity, hi potassium characteristics, requires a deep layer of loose soil, and to
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