Substitution of commercial fertilizers for manure in vagetable production
Lloyd, J.W.
Substitution of commercial fertilizers for manure in vagetable production - Illinois 1935 - 579-610 p. - Vegetable, Fertilizers Illinois Agricultural Experiment Station. Bulletin No. 421 .
Substitution of commercial fertilizers for manure in vagetable production - Illinois 1935 - 579-610 p. - Vegetable, Fertilizers Illinois Agricultural Experiment Station. Bulletin No. 421 .