$6.41 profit per hen per year. The Corning egg book, illustrating the poultry methods originated by the late Prof. G. M. Gowell...and perfected by Edward and Gardner Corning. Ed. by Michael K. Boyer.
1909
Boyer, Michael K.
AGROVOC关键词
书目信息
出版者
Wilmer Atkinson co.
语言
英语
类型
Book
2014-10-15
AGRIS AP