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... » 

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 Great «