甘薯温床育苗的好处 1.建床简单,节省劳力,节省燃料,管理方便温床所用劳动力只相当于同样大小的火炕苗床所用劳动力的一半。由于所需热量主要来自柴草等酿热物,可以不用燃料。同时,床温和湿度的调节也容易掌握,烂床现象较少。 2.出苗乡,秧苗壮试验证明,管理得当的温床,每斤种薯平均可出苗100—200棵,而且成活率高。甘薯温床育苗的作法 1.建床和填床床址应选择背风向阳,地势高燥,离水源近的地方。床坑南北向,宽度依塑料薄膜的宽窄而定,一般4尺左右,东西向长度不限;深度2— Sweet potato hotbed nursery benefits 1. Simple bed construction, save labor, save fuel, easy to manage the hotbed labor force equivalent to only the same size of the fire kang seedbed used by half of the workforce. Since the required heat mainly comes from the stuffed straw like firewood, fuel can be dispensed with. At the same time, the bed temperature and humidity regulation is easy to grasp, rotten bed phenomenon less. 2. Emergence Township, seedling Zhuangzhuang test proved that properly managed hotbed, seedlings per kilogram of seedlings can be an average of 100-200, and high survival rate. Sweet potato hotbed nursery practice 1. Bed and bed should be selected bedside setting sunny, high terrain, near the water source. North-south bed hole width according to the width of the plastic film may be, usually about 4 feet, east-west length is not limited to depth 2-