$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.


书目信息
出版者
Wilmer Atkinson co.
语言
英语
类型
Book

2014-10-15
AGRIS AP