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Animal Manure Recycling - Treatment and Management (Hardcover)
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Animal Manure Recycling - Treatment and Management (Hardcover)
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Many environmental problems of current concern are due to the high
production and local accumulations of organic wastes that are too
great for the basic degradation processes inherent in nature. With
adequate application rates, animal manure constitutes a valuable
resource as a soil fertilizer, as it provides a high content of
macro- and micronutrients for crop growth and represents a
low-cost, environmental-friendly alternative to mineral
fertilizers. Improper disposal of animal manure poses a threat to
the environment. Recycling manure cannot only protect the local
environment but can also save you money. Spreading animal manure
can contribute to harmful urban run-off that contains bacteria and
nutrients that pollute our local groundwater. Throwing it away in
the trash takes up valuable landfill space and wastes natural
resources. A rapidly changing and expanding livestock and poultry
production sector, in addition to increasing human waste, due to
ever increasing human population, means there is also an increase
in livestock manure, which if not utilized and managed can lead to
a range of environmental problems. Historically, manure was used as
a fertilizer, but after overuse of chemical fertilizers for
decades, manure is again being used for organic farming for crop
fertilization and soil amelioration, and biofuel production. This
book, Animal Manure Recycling Treatment and Management presents an
overview of environment friendly principles and practices used for
managing animal manure more efficiently and in a sustainable manner
for creating a consistent fertilizer product. In addition to the
manure management, this book also describes technologies for
converting manure to biogas and management of gaseous emissions and
run off of manure derived greenhouse gases. Livestock production is
experiencing dynamic growth and specialisation, and is facing the
challenge of ensuring that changes in production systems include
the development of environmentally friendly manure management
systems. This book provides an overview of manure management
systems and technologies for removing solid and liquid manure from
animal houses, storage, transport and application in the field. The
overview includes specific descriptions and applicability of
potential technologies in terms of capability, costs, environmental
impact and so on. Methods needed to manage the manure are also
presented. The introduction of appropriate management technologies
could thus mitigate the health and environmental risks associated
with the overproduction of organic wastes derived from the
livestock industry by stabilizing them before their use or
disposal. Stabilisation involves the decomposition of an organic
material to the extent of eliminating the hazards and is normally
reflected by decreases in microbial biomass and its activity and in
concentrations.
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