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More by William Parker Headden
The Australian Saltbush: Its Composition and Digestibility ; Notes on Russian Thistle
Free
The Fixation of Nitrogen in Colorado Soils: The Distribution of the Nitrates and Their Relation to the Alkalis, Issues 186-202
Free
Colorado Fodders: A Study of Comparative Values Based on Bulletin 124
Free
A Study of Colorado Wheat
Free
A Study of Colorado Wheat
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Alfalfa: A Synopsis of Bulletin No. 35
Free
Titanium, Barium, Strontium and Lithium in Certain Plants
Free
Colorado Fodders: An Examination Into Their Composition and Comparative Values
Free
Alkalis in Colorado: Including Nitrates
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Arsenical Poisoning of Fruit Trees
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Destruction of Concrete by Alkali
Free
The Nitrate Question in Colorado: A Review for the Farmer
Free
Deterioration in the Quality of Sugar Beets Due to Nitrates Formed in the Soil
Free
A Peculiar Soil Condition in the San Luis Valley
Free
Effects of Nitrates on Composition of the Potato
Free
A Soil Study: Sugar Beets. The crop grown, Part 1
Free
Arsenical Poisoning of Fruit Trees
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Fixation of Nitrogen in Colorado Soils: Occurrence of Nitrates on Rocks
Free
The Fixation of Nitrogen in Some Colorado Soils: A Further Study
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The Waters of the Rio Grande: A Contribution to the Hydrology of the San Luis Valley, Colorado
Free