Dibble sticks, donkeys, and diesels: machines in crop production
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| Format: | Texto biblioteca |
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Manila (Philippines) IRRI
1990
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| Subjects: | CULTIVATION, WORKING ANIMALS, HAND TOOLS, POWER TOOLS, MECHANIZATION, ANIMAL POWER, ANIMAL DRAWN VEHICLES, TRACTORS, COSTS, PRATIQUE CULTURALE, ANIMAL DE TRAVAIL, OUTILLAGE MANUEL, OUTILLAGE MECANISE, MECANISATION, CULTIVO, ANIMALES DE TRABAJO, UTILLAJE MANUAL, UTILLAJE MECANIZADO, MECANIZACION, ENERGIE ANIMALE, VEHICULE A TRACTION ANIMALE, TRACTEUR, COUT, ENERGIA ANIMAL, VEHICULOS DE TRACCION ANIMAL, TRACTORES, COSTOS, |
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