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Books Books 1 - 2 of 2 on ... we commenced our experiments to recuperate this exhausted soil by deep plowing.....  Take our survey New!
" ... we commenced our experiments to recuperate this exhausted soil by deep plowing. The subsoil is a clayey marl. This marl we think will increase the fertility of the soil, if gradually mixed with it To do this, we use the common plow, and follow it... "
Report of the geological survey of Miami County, Kansas - Page 20
by George Clinton Swallow, Frederick Hawn - 1865 - 24 pages
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Annual Report of the State Board of Agriculture of the ..., Volume 12, Part 1876

Agriculture - 1877
...To do this, we use the common plow, and follow it with the subsoil plow, which leaves the subsoil in the furrow to be covered by the next furrow of the common plow. Thus, without manure or dressing of any kind, we have raised good crops every season, good and bad,...
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The Missouri Yearbook of Agriculture: Annual Report, Volumes 9-13

Missouri. State Board of Agriculture - Beneficial insects - 1878
...To do this, we use the common plow, and follow it with the subsoil plow, which leaves the subsoil in the furrow to be covered by the next furrow of the common plow. Thus, without manure or dressing of any kind, we have raised good crops every season, good and bad,...
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