Greenhouses, their construction and equipment . 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 Fig. 6.—Plan for temporary hotbed. This form is wasteful of manure, and thesettling of the pile is likely to warp the frameso that the sash will not fit tightly. It ismost often us
Greenhouses, their construction and equipment . 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 Fig. 6.—Plan for temporary hotbed. This form is wasteful of manure, and thesettling of the pile is likely to warp the frameso that the sash will not fit tightly. It ismost often used when a hotbed is needed anda pit has not been dug the previous fall. Another method is to dig a pit somewhatlarger than the frame. This is filled withmanure to a little above the ground level.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkorangejuddc
