FERTILIZERS
HERE THE MATERIALS COME FROM.WHERE TO GET THEM IN THE CHEAPEST FORM.HOW TO COMPOUND FORMULAS, ETC. BY J. J. H. GREGORY, A.M., INTRODUCTION.CHEMISTS…
fertilizer
How To Make Fertilizer
HARLAN H. D. ATTFIELD This bulletin’ contains easy to follow, well-illustrated directions for making fertilizer using materials likely to be found in a…