帖子标记：'磷酸盐'

带拳的作物

Horseradish thrives in deep, sandy soil, the kind you find in America’s bottomlands, including third-generation farmer Barry McMillin’s 1,200 acres near Caseyville, Ill. “German immigrants lived in this area,” McMillin says, “so it’s a tradition to grow horseradish here.” Today,...