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Books by John Andreas Widtsoe, A.M., Ph. D

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2 books found
Dry-Farming: a System of Agriculture for Countries under a Low Rainfall
Dry-Farming: a System of Agriculture for Countries under a …
By: John Andreas Widtsoe, A.M., Ph. D
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Dry-Farming: a System of Agriculture for Countries under a Low Rainfall
Dry-Farming: a System of Agriculture for Countries under a …
By: John Andreas Widtsoe, A.M., Ph. D
View Details