露地直播采种法是不经育苗,而直接把催芽的种子播于采种田的采种方法。这种方法操作简便易行,不失为当前采种的好方法。具体技术措施是: 1 采种田的选择甜瓜又名香瓜,原产于非洲热带地区。其根系较浅,根群主要分布在地表下15～20cm处。主根深扎40～60cm,根群横向分布较宽,占有较大的营养面积, Open-field seed mining method is without seedling, but directly to the germination of seed sowing farming methods of mining. This method is easy to operate, after all, a good way to current seed. Specific technical measures are: 1, the choice of farming Melons, also known as melon, native to tropical Africa. The root system is shallow, the root mass is mainly distributed in the ground 15 ~ 20cm Department. The main root of the deep bar 40 ~ 60cm, horizontal distribution of root groups wider occupy a larger area of ​​nutrition,