首页 / 官方藏书 / The Elements of Agriculture / A Book for Young Farmers, with Questions Prepared for the Use of Schools / No. XVI. Proximate Analyses of Crops, showing the amount of the different Organic Compounds contained in Grain, Roots, Hay, etc.—estimated in pounds:

No. XVI. Proximate Analyses of Crops, showing the amount of the different Organic Compounds contained in Grain, Roots, Hay, etc.—estimated in pounds:

The Elements of Agriculture / A Book for Young Farmers, with Questions Prepared for the Use of Schools · George E. Waring · 第 9 / 11 章