Author · 1932
Walter George Heid
Solar-assisted combination grain drying
Walter George Heid
Solar-assisted combination grain drying
U.S. wheat industry
Walter George Heid
U.S. wheat industry
Solar-supplemented, natural air drying of shelled corn
Walter George Heid
Solar-supplemented, natural air drying of shelled corn
U.S. barley industry
Walter George Heid
U.S. barley industry
Photovoltaics, technological progress and its future in agriculture
Walter George Heid
Photovoltaics, technological progress and its future in agriculture
Progress of solar technology and potential farm uses
Walter George Heid
Progress of solar technology and potential farm uses
Factors determining the price of white wheat in the Pacific Northwest.
Walter George Heid
Factors determining the price of white wheat in the Pacific Northwest.
Montana farm adjustments and their economic effects on farm income 1954-1967
Walter George Heid
Montana farm adjustments and their economic effects on farm income 1954-1967
The performance and economic feasibility of solar grain drying systems
Walter George Heid
The performance and economic feasibility of solar grain drying systems
Turning Great Plains crop residues and other products into energy
Walter George Heid
Turning Great Plains crop residues and other products into energy
The young solar collector
Walter George Heid
The young solar collector
Changing grain market channels
Walter George Heid
Changing grain market channels
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