Manas, 第 32 卷Manas Publishing Company, 1979 |
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第 1 到 3 筆結果,共 61 筆
第 頁
... production and rising costs for machinery , petroleum - based fertilizer , energy and feed . The Center says , " Our highly - touted mechanized agriculture is extremely inefficient . U.S. corn requires 50 times as much fossil energy as ...
... production and rising costs for machinery , petroleum - based fertilizer , energy and feed . The Center says , " Our highly - touted mechanized agriculture is extremely inefficient . U.S. corn requires 50 times as much fossil energy as ...
第 6 頁
... production of goods are making better use of their energy supply . This is something they can do on their own . Vince Taylor's paper , " The Easy Energy Plan , " a con- densed and up - dated version of an earlier work , Energy : The ...
... production of goods are making better use of their energy supply . This is something they can do on their own . Vince Taylor's paper , " The Easy Energy Plan , " a con- densed and up - dated version of an earlier work , Energy : The ...
第 8 頁
... production levels in the poor countries that so much land is in farms too small to be efficient ? Aren't most small farmers just too backward and tradition - bound to respond to development programs ? In their reply , Lappé and Collins ...
... production levels in the poor countries that so much land is in farms too small to be efficient ? Aren't most small farmers just too backward and tradition - bound to respond to development programs ? In their reply , Lappé and Collins ...
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