TAILIEUCHUNG - OTHER ORGANIC MANURES

The number of organic manures is almost countless. The most common of these have been described in the previous chapters on the excrements of animals. The more prominent of the remaining ones will now be considered. As a universal rule, it may be stated that all organic matter (every thing which has had vegetable or animal life) is capable of fertilizing plants. DEAD ANIMALS. What are the chief fertilizing constituents of dead animals? What becomes of these when exposed to the atmosphere? How may this be prevented? The bodies of animals contain much nitrogen, as well as valuable quantities, the phosphates and. | OTHER ORGANIC MANURES The number of organic manures is almost countless. The most common of these have been described in the previous chapters on the excrements of animals. The more prominent of the remaining ones will now be considered. As a universal rule it may be stated that all organic matter every thing which has had vegetable or animal life is capable of fertilizing plants. DEAD ANIMALS. What are the chief fertilizing constituents of dead animals What becomes of these when exposed to the atmosphere How may this be prevented The bodies of animals contain much nitrogen as well as valuable quantities the phosphates and other inorganic materials required in the growth of plants. On their decay the nitrogen is resolved into ammonia ACi and the mineral matters become valuable as food for the inorganic parts of plants. If the decomposition of animal bodies takes place in exposed situations and without proper precautions the ammonia escapes into the atmosphere and much of the mineral portion is leached out by rains. The use of absorbents such as charcoal-dust prepared muck etc. will entirely prevent evaporation and will in a great measure serve as a protection against leaching. If a dead horse be cut in pieces and mixed with ten loads of muck the whole mass will in a single season become a most valuable compost. Small animals such as dogs cats etc. may be with advantage buried by the roots of grape-vines or trees. BONES. Of what do the bones of animals consist What is gelatine Describe the fertilizing qualities of fish. The bones of animals contain phosphate of lime and gelatine. The gelatine is a nitrogenous substance and produces ammonia on its decomposition. This subject will be spoken of more fully under the head of phosphate of lime in the chapter on mineral manures as the treatment of bones is more directly with reference to the fertilizing value of their inorganic matter. FISH. In many localities near the sea-shore large quantities of fish are caught and .

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