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一、苗床建设及种薯的选择我省各地气候各异、条件不一,甘薯苗床的形式多样,根据其热源不同,大体有马粪温床、老式温床(烧柴禾)、新式温床(烧煤炭)、焦炭温床(大方炕)4种,各有利弊,可因地制宜采用。在设置苗床时需选择避风向阳、排水良好的地方,苗床应东西向排列,北高南低。温床的炉膛要宽大,烟筒的弯部不要太死,最好在弯部下方挖一深炕,有利于烟迥旋,如是一炉多床,在火道尽头应设一总烟筒,以便调节各床之间的温度。此外,还需做好以下准备工作:1.床土的选择:床土以混合粪为好,其比例是,沤好的厩肥、表土、细砂各1/3,
First, the construction of seedbed and the choice of seed and seedlings Different climates in different conditions in our province, different conditions, sweet pot seedbed in various forms, according to their different sources of heat, there are generally horse manure hotbed, hotbed (burning firewood Wo), new hotbed ), Coke hotbed (generous kang) 4, each has its own advantages and disadvantages, can be used according to local conditions. When setting the seedbed need to choose the shelter sunny, well-drained place, seedbed should be arranged east-west, north high south. The hotbed of the furnace should be generous, the chimney bend not too dead, it is best to dig a deep kang below the bend, is conducive to the smoke Zhuan spin, such as a multi-furnace bed, at the end of the fire should be set up a total chimney, in order to adjust the The temperature between the beds. In addition, the following preparations are also needed: 1. bed soil choice: bed soil to mix the manure is good, the ratio is 沤 good manure, topsoil, fine sand each 1/3,