. Plant propagation : greenhouse and nursery practice . Plant propagation. CJIAPTER V'il BOTTOM HEAT 132. Bottom heat is the heat applied beneath the grow- ing plants by means of fermenting material (manure, spent tan bark, brewers' grains, etc.) by warm flues, hot water or steam. It is used more or less for all kinds of seeds started in advance of the outdoor season, espe- cially for those of warm climate plants, but only seeds of certain tropical plants require high heat to germinate. Most garden seeds do not need bottom heat, though many sprout quicker if warmed from below; always when bott
. Plant propagation : greenhouse and nursery practice . Plant propagation. CJIAPTER V'il BOTTOM HEAT 132. Bottom heat is the heat applied beneath the grow- ing plants by means of fermenting material (manure, spent tan bark, brewers' grains, etc.) by warm flues, hot water or steam. It is used more or less for all kinds of seeds started in advance of the outdoor season, espe- cially for those of warm climate plants, but only seeds of certain tropical plants require high heat to germinate. Most garden seeds do not need bottom heat, though many sprout quicker if warmed from below; always when bottom heat is used the seedlings should be removed to cooler places very soon or they will become "leggy"; i. e., tall, spindling, and weak. Good ventilation by daj^ will help make them "stock}-" and FIG. 74—STRAW MAT FOR COVERING HOTBEDS AND COLD FRAMES 8G. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kains, M. G. (Maurice Grenville), 1868-1946. New York : Orange Judd Company
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjectplantpropagation
