The farm that won't wear out
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Soil Fertility and Permanent Agriculture
$31.95 - $43.95
Methods of Corn Breeding (Classic Reprint)
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Directions for the Breeding of Corn, Including Methods for the Prevention of In-breeding
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Nitrogen Bacteria and Legumes: With Special Reference to Red Clover, Cowpeas, Soy Beans, Alfalfa, and Sweet Clover, on Illinois Soils
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Laboratory Manual for Soil Fertility
$29.95
For Better Crops
$17.50 - $31.95
How Greece Can Produce More Food
$26.95
The Chemistry of the Corn Kernel ..
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Soil Improvement for the Worn Hill Lands of Illinois: With Special Reference to Southern Illinois
$26.95
Soil Fertility Laboratory Manual
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Soil Treatment for Wheat in Rotations, with Special Reference to Southern Illinois Soils
$26.95
Summary of Illinois Soil Investigations
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University of Illinois Agricultural Experiment Station Bulletin No. 94: Nitrogen Bacteria and Legumes; With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois
$16.86
The Structure of the Corn Kernel and the Composition of its Different Parts
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Alfalfa on Illinois soil
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The Sugar Beet in Illinois - Primary Source Edition
$17.50
Question summary to accompany "Soil fertility and permanent agriculture," - Primary Source Edition
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Peaty Swamp Lands: Sand and Alkali Soils
$26.95
Soil bacteria and phosphates
$16.34
Soil treatment for peaty swamp lands, including reference to sand and "alkali" soils
$13.69
Thirty Years of Crop Rotations on the Common Prairie Soil of Illinois - Primary Source Edition
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The Story of the Soil from the Basis of Absolute Science and Real Life,
$12.89 - $78.64
