Farmers of Forty Centuries: Or, Permanent Agriculture in in China, Korea, and Japan
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A Text Book of the Physics of Agriculture
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Principles And Conditions Of The Movements Of Ground Water...
$24.73
Economic Relations Of Wisconsin Birds
$24.95
Irrigation and Drainage: Principles and Practice of Their Cultural Phases - Primary Source Edition
$47.10
Elementary lessons in the physics of agriculture
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The Soil, its nature, relations, and fundamental principles of management
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Soil Management
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The Soil : its Nature, Relations, and Fundamental Principles of Management. (The Rural Science Series by L. H. Bailey)
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Ventilation for Dwellings, Rural Schools and Stables
$19.97 - $30.95
Irrigation in Humid Climates
$13.05
Investigations in Soil Management, Being Three of six Papers on the Influence of Soil Management Upon the Influence of Soil Management Upon the Water-soluble Salts in Soilsand the Yield of Crops
$31.95
Wood's Illustrated Plant Record: With King's Check Tablets, for the Rapid and Systematic Analysis of Plants: Adapted to Any American Botany
$26.95
Investigations in Soil Management: Amount of Plant Food Readily Recoverable From Field Soils With Distilled Water; Relation of Crop Yields to the Amounts of Water-Soluble Plant-Food Materials Recovere
$26.32
Observations And Experiments On The Fluctuations In The Level And Rate Of Movement Of Ground-water On The Wisconsin Agricultural Experiment Station Farm And At Whitewater, Wisconsin
$15.59
One Year's Work Done By A 16-foot Geared Windmill...
$13.69
