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Hidden costs in home garden preservation crops
Madison residents consider thrift in home canning drying and freezing. University of Wisconsin extension experts compare equipment energy and time for 560 pounds canned 4.3 cents per pound. drying 500 pounds 6 cents. freezing 20 cents. Canning most energy efficient. drying uses more energy. freezing depends on storage. Frozen foods retain vitamins better than dried. canning loses vitamin C in the liquid.
MENTIONED IN THIS ARTICLE
Charlotte Dunn
University of Wisconsin-Extension
Cornell University
Ms. Dunn