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一、男爵,又名早熟白、白山药、快山药、细皮白、大白皮。这个品种在天津地区栽培最多,品种来源是由东北肇源调入,它的最大特点是产量高,品质好。1955年在天津地区最高的亩产5,800斤,而一般的也产4,000—5,000斤,生长期90天左右,可以逃涝避灾。茎直立,适宜密植,花初期白色后变淡紫色,薯形扁圆,肉质白色,薯块大且整齐、结薯集中,是天津地区群众最欢迎的一个良种。具有推广的价值。
A Baron, also known as white, white yam, fast yam, fine white skin, white skin. This species is cultivated in Tianjin most, the source of variety is transferred from the Northeast Zhaoyuan, its most prominent feature is the high yield, good quality. In 1955, the highest yield in the Tianjin area was 5,800 kg, while the average yield was also 4,000-5,000 kg. The growth period was about 90 days and it was possible to flee the floods and avoid the tragedies. Stems erect, suitable for close planting, early white flowers pale purple, potato-shaped oblate, succulent white, large and tidy tubers, tubers concentrated, is the most popular in Tianjin area a good seed. With the promotion of value.