Oklahoma Agriculture- Organic Matter Accumulations,1933
This 1933 booklet discusses Raw Organic Matter Accumulations Under Various Systems of Culture. By H.H. Finnell. December 1933, Oklahoma Agricultural and Mechanical College/Agricultural Experiment Station. Technical agriculture information on topics like experiments on physical separation of unassimilated organic matter from the soil; relation of rainfall to residue accumulation; effects of cropping and culture on raw matter accumulation; effects of tillage; relation of raw matter to nitrates present; estimated rate of disappearance of wheat residues; and references cited. Illust. with several charts and tables of data. Size 6" x 9", 12 pages, condition is very good.
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