红芋酿热温床覆盖薄膜育苗是利用牲畜粪、麦糠等酿热物堆积发酵产生的热量,并借助太阳光能来提高床温,促进块根发芽和幼苗生长的一种育苗方法。1.苗床制作　床址应背风向阳、地势高燥、建南低北高床池。老床池,须更换新床土或进行消毒。苗床一般长5～6米,宽1.5～2米,深0.4～0.5 Red hot potato bed covered with hot seedbed film nursery is the use of livestock manure, wheat bran and other fermented material accumulation of fermentation heat generated, and with the help of solar energy to improve bed temperature, promote root and seedling growth of seedling a nursery. 1. Seedbed bed site should be leeward, terrain Gaozao Jiannan low north high bed pool. Old bed pool, to be replaced by new soil or disinfection. Seedbed is generally 5 to 6 meters long, 1.5 to 2 meters wide and 0.4 to 0.5 deep