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The soils of Cuba, by Hugh H. Bennett ... and Robert V. Allison ... including a generalized soil map and detailed descriptions of the physical and chemical qualities of the more important types, together with notes upon their general cultural requirements in relation to their agricultural adaptability and usefulness, with a chapter on soil classification by Dr. Curtis F. Marbut ..
The soils of Cuba, by Hugh H. Bennett ... and Robert V. Allison ... including a generalized soil map and detailed descriptions of the physical and chemical qualities of the more important types, together with notes upon their general cultural requirements in relation to their agricultural adaptability and usefulness, with a chapter on soil classification by Dr. Curtis F. Marbut ..
Fertilizer resources of the United States. Message from the President of the United States, transmitting a letter from the Secretary of Agriculture, together with a preliminary report by the Bureau of Soils, on the fertilizer resources of the United States
Title:
Fertilizer from kelp
Author:
United States Department of Agriculture Search this
Cameron, Frank K (Frank Kenneth) 1869-1958 Search this
