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do you currently use a cold frame or frames to start early and grow later than others do in your area?do you have "the stuff" sitting around to make one in future?i think these are over looked tool....i know i read in old books they used fresh horse manure in bottom then covered in dirt/compost.the fresh horse manure heats up fast and hot and its where extra warmth came from to "power" these frames in coldest part of winter/spring.
