RM2AWAF36–manure surpluses; Full manure pits in swine fattening Helvoirt Date: February 2, 1988
RM2FX33BF–Manure surpluses; full manure pits at pig farm in Helvoirt, February 2, 1988, The Netherlands, 20th century press agency photo, news to remember, documentary, historic photography 1945-1990, visual stories, human history of the Twentieth Century, capturing moments in time
RM2AFJ9AB–. Artificial incubation and incubators ... sof fresh horse manure, trampling it well down, and wetting it bypouring in pails of water; on this they place a layer of slaughterhouse refuse—blood, scraps of meat, intestines, etc.—two or threeinches thick; then another layer of manure, and again a layer ofrefuse, until the pit is full; it is then covered by a foot of manure,and boards placed over that. In about three weeks time the pitis alive with maggots, which are fed to the chicks. Where much GREEN FOOD. 41 of this is desired, a succession of pits, ripening one after theother, must be made. At
RMRDRB71–. Greenhouse construction and heating: containing full descriptions of the various kinds of greenhouses, stove houses, forcing houses, pits and frames, with directions for their construction, and also descriptions of the different types of boilers, pipes, and heating apparatus generally, with instructions for fixing the same. Greenhouses. 116 GEEENHOUSE CONSTBUCTION AND HEATING. gratings, supported by suitable bearing-bars of T-iron, is fixed at about the ground level, or rather more than a fpot below the top of the front wall. A lower chamber is thus formed, in which the manure or other ferme
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