Soil and Civilization: A Modern Concept of the Soil and the Historical Development of Agriculture
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Field Operations Of The Division Of Soils
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Soil Fertility: An Address Delivered Before The Rich Neck Farmers' Club, Of Queen Anne County, Maryland...
$26.95
Tobacco soils Connecticut and Pennsylvania
$16.75
The work of the Bureau of soils
$13.40
Alkali Lands...
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Soil Investigations
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The Alkali Soils of the Yellowstone Valley: From a Preliminary Investigation of the Soils Near Billings, Montana (Classic Reprint)
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Field Operations of the Division of Soils, 1899
$33.95
Tobacco soils of the United States: a preliminary report upon the soils of the principal tobacco districts
$29.95
A Preliminary Report on the Soils of Florida
$17.90
Tobacco Soils
$16.59 - $26.95
Rice
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Field Operations of the Bureau of Soils, Volume 4
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Reasons for Cultivating the Soil
$16.75
Some Physical Properties of Soils in Their Relation to Moisture and Crop Distribution
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Exhaustion and Abandonment of Soils
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Reasons for Cultivating the Soil
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Field Operations Of The Bureau Of Soils, Volume 3
$46.95
Catalogue of the First Four Thousand Samples in the Soil Collection of the Division of Soils..
$31.95
Temperature Changes in Fermenting Piles of Cigar-leaf Tobacco; Volume no.60
$16.75
