Greenhouses, their construction and equipment . Fig. 4.—Plan for permanent hotbed even with the top, 3 feet apart, to serve asrests for the sash and to keep the framesfrom spreading. The sides and ends of theframe are well banked with fresh manure toconserve the heat. If the plants are to. Fig. 5.—Permanent hotbed of concrete with cast-iron sills be grown in flats instead of directly in thesoil, 2 inches of soil over the manure will besufficient. If the plants are to be grown inthe soil it should be 4 or 5 inches deep-. 20 GREENHOUSES Temporary hotbeds are sometimes madeby piling the manure on
Greenhouses, their construction and equipment . Fig. 4.—Plan for permanent hotbed even with the top, 3 feet apart, to serve asrests for the sash and to keep the framesfrom spreading. The sides and ends of theframe are well banked with fresh manure toconserve the heat. If the plants are to. Fig. 5.—Permanent hotbed of concrete with cast-iron sills be grown in flats instead of directly in thesoil, 2 inches of soil over the manure will besufficient. If the plants are to be grown inthe soil it should be 4 or 5 inches deep-. 20 GREENHOUSES Temporary hotbeds are sometimes madeby piling the manure on the surface of theground and placing a shallow frame on top.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkorangejuddc
