1制种位置的选择海南岛适合制种的位置很多,三亚、崖城、陵水、黄流、冲坡、九所、南滨农场、乐东等都是南繁制种的理想场所,但各地条件有所差别,三亚、崖城、南滨农场等地方,地价太高,再加上种子、化肥、农药投入太大,没有雄厚的资金租不起地;而黄流、九所、冲坡一带地较便宜,适合中小型企业大面积制种。2地块选择地块选择一般以旱田为主,应土层深厚,土质肥沃,特别是要离水源近,因为玉米生长后期,海南基本不下雨,干旱严重,需要经常浇灌才能保证玉米正常生 1 seed location selection Hainan Island suitable for seed production in many locations, Sanya, Yacheng, Lingshui, Yellow River, red slope, nine, Nanbin farm, Ledong are all the ideal place for breeding south, but The conditions vary from place to place, Sanya, Yacheng, Nanbin farms and other places, the land is too high, coupled with seeds, fertilizers, pesticides into too much, there is no strong financial rent can not afford; and Yellow River, nine, red Slope area cheaper, suitable for large-scale small and medium-sized seed production. 2 plots to choose the general choice of plots of dry land, should be deep soil, fertile soil, especially from the water near, because the latter part of the growth of corn, Hainan basically no rain, severe drought, you need regular irrigation in order to ensure normal corn