Show J t ilia FA 11 ING Cold frames hotbeds Hot beds greenhouses by W J DRYDEN farm editor A small greenhouse Is an asset for starting early seeds this low cost minnesota house can be built with standard h hotbed sash A well drained site pite with a southern exposure protected on the north by buildings or windbreak wind break should be cho chosen so heat may be supplied by a coa coal 1 0 or rr w wood stove or by hot water heat at from the central farmstead boiler ile electric hotbeds are rather new in america although they have controlled such a construction may not be financially Y practical when a cold framL or ho hotbed the d will serve as well the ma main in diff difference between hot beds and cold frames Is that the former are provided with SO some me means of artificial he heat at such as fermenting manure hot water steam am or electricity tri city while the only sour source cc of heat tor for the cold frame Is that provided by the suns shining through the glass cover the details of con fly K k A small greenhouse will soon pay for itself on the average general farm been utilized for years in europe they can successfully be employed as a substitute tor for the usual methods of manure hot water and flue heating in addition electricity is an insurance against frost hotbeds Hot beds which Is also true of greenhouses and cold frames should be given a southern so athern exposure protected from prevailing winds by buildings or st ruction of the frame and coverings on the two structures are essentially the same in building the greenhouse the floor may be dirt or concrete the sidewall may be brick tile concrete plywood or lumber shingles are sometimes used for si dewalls cost and availability will determine the type of material desirable steel baft COMPOST I 1 44 IM BLO JW 4 F tand N D 5 lection E C T 10 N the length may be increased as desired windbreaks they should also be given good drainage in many cases the window sashes needed lor for the cold frames hotbeds and greenhouses may be purchased from local supply dealer from his wreckage lot it is usually advisable to use a standard size but it if odd or metal frames for glass are most satisfactory although economy may dictate wooden frames the hotbeds and cold frames shown were designed by michigan experiment st station atlon the production of early vegetable plants in hot hat beds cold frames and greenhouses CROSS VIEW suggested suggests tc d construction of hotbeds and cold frames xa tow ot kr if af Sunk 4 f J dwy I 1 AW adof wa caw jj salat aall amio sizes cah be purchased more reasonable they should be considered the grower must give careful thought to his immediate and anticipated requirements before ordering material or starting construction while the most satisfactory structure will be a small greenhouse where the temperatures may be involves the th e use of good seed the treatment ot of the seed and soil to prevent disease infection the proper selection of sons soils tor for both the seedlings and transplants and careful attention to the seeding watering ventilating transplanting hardening harden I 1 ng and ther other 0 plant growing operations 0 6 NIPPLES emear 7 IT U i JOINT OIN at ij y sterilizing TILE RISER sw llwis y oj t of clr I 1 17 2 PIPE 13 STEAM HEADER DETAIL |