. Elementary principles of agriculture : a text book for the common schools. Agriculture. 312 Elementary Principles of Agriculture 449. Green Manuring. (See ^ 131). Prof. Shaw of the Cahfornia Experiment Station, reports the following results which show the possibilities of deep plowing, and a single green manur- ing on sandy soils naturally lacking in the qualities that humus gives. First a number of plots were summer fallowed, and in the fall plowed to a depth of 6 inches, harrowed and seeded as indicated in the table, except No. 1, which was so^vn to wheat continuously and only double disce
. Elementary principles of agriculture : a text book for the common schools. Agriculture. 312 Elementary Principles of Agriculture 449. Green Manuring. (See ^ 131). Prof. Shaw of the Cahfornia Experiment Station, reports the following results which show the possibilities of deep plowing, and a single green manur- ing on sandy soils naturally lacking in the qualities that humus gives. First a number of plots were summer fallowed, and in the fall plowed to a depth of 6 inches, harrowed and seeded as indicated in the table, except No. 1, which was so^vn to wheat continuously and only double disced after each harvest. The other plots were deeply plowed after each harvest and sum- mer fallowed. Com- pare Figs. 199, 200 and 201. Also H 143. Yield of Wheat Under Different Soil Treatments. Fig. 201. Wheat plants from six plots treated differently, showing comparative develop- ment: 1, plot eontinuously seeded to wheat; 2, barefallowed; 3, horse beans grown and plowed under after previous crop; 4, Can- adian field peas grown and plowed under; 5, rye and vetch grown and plowed under; 6, rye grown and plowed under. Crop Grown and Treatment Given in First Year Yield per Acre 2d Year 3d Year Average 2 Years 1. Wheat after wheat double disced. ,26 bu. 2 Bare fallow 28. 3. Horse beans, (turned under) Hght 4. Canadian field peas (turned under).. light 5. Rye and Vetch (turned under) heavy 6. Rye (turned under) heavy 54. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ferguson, A. M. (Alexander McGowen), 1874-; Lewis, Lowery Laymon, 1869-. Chicago, Ill. : Ferguson Publishing Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
