By Raymond C. Loehr
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Extra info for Agricultural Waste Management: Problems, Processes and Approaches
It is expected that the number of cheese processing plants will decrease to less than 800 in 1980 or about one-half of the number that existed in 1960. Production per plant also will almost triple during this period. The per capita consumption of other dairy products such as butter and condensed and evaporated milk has decreased while that of ice cream, dry whole milk, and nonfat dry milk has remained relatively constant. These trends will continue. Plants processing these products also will have greater production per plant in the future.
The most developed nations were the largest users of fertilizers. The largest consumers, in terms of quantity per person (kg/capita) in 1969, were North America, 66; Western Europe, 45; and Eastern Europe, 40. The consump tion per hectare varies widely depending upon crop, farming intensity, and crop management. The changes in fertilizer use reflect the substitution of fertilizer for land, producing higher yields on fewer acres. In the United States, fertilizer use varies among states, regions, crops i PHOSPHORIC ο 1955 I960 YEAR S 1965 1970 Fig.
Changing Practices in Agriculture Summary Animal and dairy product production illustrate the type of changes that have occurred in agriculture in recent years. Meat, milk, dairy products, and eggs increasingly will be produced in confined large industrial type facilities. The trend toward controlled and enclosed facilities, which is virtually complete for smaller animals such as hens and broilers, is increasing even for the larger animals such as beef and dairy cattle. The regional nature of livestock production in the future is unlikely to vary.
Agricultural Waste Management: Problems, Processes and Approaches by Raymond C. Loehr