. The chemistry of soils and fertilizers. Soils; Fertilizers. PRESERVATION OF MANURE 159 air in order to carry on their work. When deprived of oxygen they become inactive. The anaerobic fer- ments require the opposite conditions. They become inactive in the presence of oxygen and can thrive only when air is excluded. In the center of a well-con- structed manure pile anaerobic fermentation takes. Fig. 26. Fermentation of Manure. place while on the surface aerobic fermentation is act- ive. The anaerobic ferments prepare the way for the action of the aerobic bodies. When aerobic fermenta- tion is
. The chemistry of soils and fertilizers. Soils; Fertilizers. PRESERVATION OF MANURE 159 air in order to carry on their work. When deprived of oxygen they become inactive. The anaerobic fer- ments require the opposite conditions. They become inactive in the presence of oxygen and can thrive only when air is excluded. In the center of a well-con- structed manure pile anaerobic fermentation takes. Fig. 26. Fermentation of Manure. place while on the surface aerobic fermentation is act- ive. The anaerobic ferments prepare the way for the action of the aerobic bodies. When aerobic fermenta- tion is completed the organic matter is converted into water, carbon dioxide, ammonia, and allied gases. From what has been said regarding the action of these two classes of ferments it is evident that anaerobic fermentation is the most desirable. 192. Water Necessary for Fermentation. — In order to produce the best results in fermenting manure water is necessary. If the manure becomes too dry abnormal fermentation takes place. Water is always beneficial on manure as long as leaching is prevented;. 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 Snyder, Harry, 1867-1927. Easton, Pa. , The Chemical Publishing Co.
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