一、基本情况介绍1958年春,在农业生产大跃进的高潮中,乾县烽火社为力争“粮食千厅社”,就引进红芋(甘藷)种薯900斤,种用土酿热温床进行育秧试种。先后在3月13日、28日和4月17日,以胜利百号、农林四号和西安红三个品种,分别育秧三床。床址选择在向阳避风,地势高燥平坦,距渠井很近,且干净无病的菜园旁边。南面空旷,北面凭依草棚和护岸林。床框为长方形,南北宽5尺,东西长14尺,入土深度2尺。由底部四周向中央弓起5寸,南面又比北面深入3寸。床内起出的土堆在床沿四周作成围墙,北面高出地面1尺,南面高出2 I. Basic Information In the spring of 1958, in the climax of the great leap forward in agricultural production, Qianxian County Beifu County tried its best to introduce 900 tons of sweet potato (900 tons of potato) Species. Successively in March 13, 28 and April 17, with victory 100, three agricultural and forestry three Xi’an, respectively, three kinds of seedlings. Bed selection in the sunny shelter, flat and high terrain, well away from the well, and clean and disease-free next to the vegetable garden. The south is open to the north by the canopy and bank protection forest. Bed frame is rectangular, north-south width of 5 feet, something long 14 feet, depth of 2 feet into the soil. From the bottom of the surrounding arch to the central 5-inch, south and deeper than the north 3-inch. Mound out of the bed made around the wall around the fence, north of the ground 1 foot above the South 2