一、引言地瓜是以秧苗扦插进行生产的,而秧苗是以苗床育苗或薯田剪蔓获得的。我省早春温度低,通过育苗,再栽植大田,可以充分利用生长季节,增加产量;同时,可以在短期内以较少的种薯,培育出大量秧苗,只要温度适合,一年可以多次栽植,是干旱、多灾地区随时抢种、补种最理想的作物。但过去生产上习惯于春薯栽完,育苗结束,遭灾应急时又没有秧苗;以剪春薯秧苗栽夏薯的地区,由于干旱的影响,春薯田秧苗生长不足,往往无法为夏薯供应秧苗,限制了夏薯生产的发展。为了充分发挥地瓜的长处,更好地为生产服务,必须搞好秧苗贮备,而地瓜苗床就是最好的活的秧苗贮藏库。只要改变原有的苗床利用习惯,春薯 First, the introduction of sweet potatoes are cuttings for seedlings production, and seedlings are seedbed nursery or potato cut manor obtained. In early spring of our province, the temperature is low, seedlings can be re-planted, and the fields can be reused to make full use of the growing season to increase the yield. In the meantime, a large number of seedlings can be cultivated with less seed in a short period of time. , Is drought, disaster-prone areas at any time, replanting the best crops. However, in the past, it was accustomed to plantation of spring potato in the past, end of nursery, and there was no seedling in case of emergency. In areas where sweet potato seedlings planted sweet potatoes, due to the influence of drought, Supply of seedlings, limiting the development of summer potato production. In order to give full play to the strengths of sweet potatoes, to better serve the production, we must do a good job seedling storage, and sweet potato seedbed is the best living seedling storage. Just change the habit of using the original seedbed, spring potato