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Caption: War Publications - WWI Compilation 1923 - Article 45
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• THB W A * OlftDBK H0TB1D 191<] 7 mad placed top, and a an banked around the outside to retain the heat, and to protect the bed from driving winds. All soil and manure not needed should be carted away; if left near the hotwith face drainage. Protection in Cold Weather For protection in cold weather, extra covers in the form of mate, boards, shutters, burlap, or old carpets, should be placed over the sash. satisfactory 1 be made of building paper nailed to frames constructed of lx4-inch strips. The best method of making the frame is to saw the pieces at a 45° angle and connect them by means of corru ted joints, as shown in Fier. 3 Enough straw or FIG. 3.—HOTBED COVER MADE OF 1X4manure should be kept at hand PAPER to cover over the edges of the frame at night during early spring. In severe weather, the entire bed may need covering to keep the plants from freezing. Time to Plant the Seeds.—If a good grade of manure is used, the bed will heat violently for a week or ten days. The temperature may rise as high as 125° F. During this time the bed should be aired every day and covered at night. not has aone thru this neriod of heatina and the temperature has about or 80° F. HOW TO MAKE A SURFACE HOTBED Surface hotbeds are well adapted for poorly drained locations and for use late in the season. As already stated, they are difficult to keep warm in cold weather, and require more manure than pit hotbeds. Thev are easier to make, however for dimrinir is unnecesThe manure is simply ground spread out over the ground and packed well, and the frame and sash are placed on top. More manure is then banked around the outside. 'Tar paper should not be used, as the fumes are injurious to plant life.
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