Aggrief
发表于 2025-3-21 18:24:43
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Expressly
发表于 2025-3-21 20:49:22
0172-4207 r export, which in tum require many energy-rich inputs for their marketing. This industrialization of agriculture has proved to be very successful in many respe978-3-642-69786-9978-3-642-69784-5Series ISSN 0172-4207
kindred
发表于 2025-3-22 01:31:40
Agricultural Labour: From Energy Source to Sinkarge extent still is, powered by human muscles. However, the expenditure of energy in labour conflicts with another very basic although perhaps insufficiently recognized human drive - the desire to avoid work. This principle - that of least effort - has even been elevated to the status of the basic law of human behaviour .
UNT
发表于 2025-3-22 08:18:05
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斗志
发表于 2025-3-22 12:26:37
Economic Impacts of Energy Prices on Agricultureve made recent rapid advances in productivity. Energy, or those inputs that embody it, and complementary inputs have directly substituted for both land and labor in agriculture. Also, low real prices for energy have induced research in a direction which increased the productivity and substitutability of energy in agriculture.
exorbitant
发表于 2025-3-22 16:42:58
Energy Use in the Food-Producing Sector of the European Economic Communityconsumption that before denying or limiting energy to the agricultural sector, one would naturally look to other sectors for energy economies. One of these is food processing, which uses about three times as much energy to take food from the farm gate to the market place, (Table 7.2).
exorbitant
发表于 2025-3-22 20:55:10
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photophobia
发表于 2025-3-23 00:30:31
0172-4207 of the agricultural sciences. Yet the subject is a relatively new one whose importance first received widespread recognition barely a decade ago, following the dramatic increase in oil prices during 1973. The impact of this increase was such as to promote a world-wide debate on the future direction
闯入
发表于 2025-3-23 04:15:50
Wolfgang Fritz,Jens Effenbergerve made recent rapid advances in productivity. Energy, or those inputs that embody it, and complementary inputs have directly substituted for both land and labor in agriculture. Also, low real prices for energy have induced research in a direction which increased the productivity and substitutability of energy in agriculture.
菊花
发表于 2025-3-23 07:28:23
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