Like the logistic growth curve, there is an exponential phase which lasted from 1920 or earlier until 1950 or 1955. Since then, the increments in production have been smaller despite the continuing growth in energy use. It is likely that further increases... Enlarging economic doctrine - Página 169por United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Energy and Power - 1976Visualização integral - Acerca deste livro
| United States. Congress. Senate. Agriculture and Forestry Committee - 1974 - 138 páginas
...and trucks 2,774 Total . 3,803 2,344 6,147 to most growth curves and concluded that further increases in food production from increasing energy inputs will be harder and harder to come by. The suggested solution was to find means to reduce the energy required for agriculture and the food... | |
| United States. Congress. Senate. Select Committee on Nutrition and Human Needs - 1974 - 1744 páginas
...production have been smaller despite the continuing growth M energy use. It is likely that further increases in food production from increasing energy inputs will be harder and harder Ю come by. Of course, a nujor change in the food system could change things, but the argument Advanced... | |
| United States. Congress. House. Committee on Ways and Means - 1975 - 900 páginas
...have been smaller despite the continuing growth in energy use. It is likely that further increases in food production from increasing energy inputs will...technological optimist is that we can always get more if we Fig. 2. Farm output as a function of energy input to the US food system, 1920 through 1970. have enough... | |
| United States. Congress. Senate. Committee on the Judiciary - 1976 - 1566 páginas
...have been smaller despite the continuing growth in energy use. It is likely that further increases in food production from increasing energy inputs will...the argument advanced by the technological optimist U that we can always get more if we 3l,» !l:s 1% 90 = f .0 !- 70 lS.0 = 50, 19 ,947 t"> —To T5 a... | |
| Matlock W. G., W. Gerald Matlock - 1981 - 300 páginas
...food system, the resulting curve is similar to most growth curves and suggests that further increases in food production from increasing energy inputs will be harder and harder to achieve and less and less efficient. The labor input to agriculture will decrease in the future only... | |
| |