广东省大埔县百侯区侯南乡社员杨明坚,收获他种植的一穴山药重达227市斤,被当地群众称为山药王。这穴山药于1982年8月种植在沙质疏松的溪边潮泥地里。植前先掘了一个深宽各1米的大穴,下了三担兔粪作基肥,然后植入约一斤的山药薯种。采挖时已有数十条山药藤缠满在高达7、8米的竹头里。这穴山药共有36条,最大的一条长 Yang Mingjian, member of Hou Nanxiang, in the district of Houjie, Bahou District, Dapu County, Guangdong Province, harvested one kilogram of yam he planted 227 catties and was called by the local people as the yam king. This point yam was planted in August 1982 in sandy muddy tidal muddy land. Before planting, dig a large hole of 1 meter in width and 1 meter in depth, then take three dandelions as basal fertilizer and then implant about one kilogram of yam potato. Excavation has been dozens of yam rattan wrapped up in the bamboo up to 7,8 meters. This point a total of 36 yam, the largest of a long