宁城縣馬站城子丰收農業社,截止1957年实有林地面積三千三百五十畝,在1958年春季和雨季又造林二千零八十多畝。他們为了很快实現万畝林社的計划,供应造林所需苗木,本着自釆自育的方針,今年共育楊樹、榆樹、桑樹、黑松、沙棗、沙棘、臭椿、荆条等苗三十八畝多,預計產苗一百四十万株。其中,楊樹育苗一六点五五畝,預計產苗八十万 Ningcheng County Horse Station Chengzi Harvesting Agricultural Association, as of 1957, there are 3,350 mu of forest land in total. In the spring of 1958 and the rainy season, 2,080 mu of afforested land was reared. In order to quickly realize the plan of mu forest company and supply seedlings required for afforestation, they planted poplar, elm, mulberry, black pine, date, seabuckthorn, Thirty-eight acres of seedlings and more, is expected to seedlings 1.4 million. Among them, poplar nursery one point six five five acres, is expected to seedlings 800,000