Fertilizers and crops; or, The science and practice of plant-feeding; a presentation of facts, giving practical methods for using fertilizers in crop growing, with special emphasis on the reasons underlying their use, and on the conditions of their greatest efficiency, by Lucius L. Van Slyke ...
Fertilizers and crops; or, The science and practice of plant-feeding; a presentation of facts, giving practical methods for using fertilizers in crop growing, with special emphasis on the reasons underlying their use, and on the conditions of their greatest efficiency, by Lucius L. Van Slyke ...