Canlyniadau Chwilio
Pynciau a Argymhellir O fewn eich chwiliad
Pynciau a Argymhellir O fewn eich chwiliad
- History 423
- Agriculture 410
- Environmental aspects 260
- Economic aspects 192
- Fisheries 144
- Forests and forestry 136
- Sustainable agriculture 134
- Forest management 128
- Research 123
- Management 122
- Diseases 114
- Fishery management 108
- Livestock 98
- Crops 92
- Social aspects 92
- Control 90
- Breeding 76
- Genetics 74
- Forest policy 68
- Agriculture and state 64
- Government policy 64
- Soils 64
- Conservation of natural resources 62
- Soil conservation 62
- Agricultural innovations 61
- Agricultural ecology 60
- Climatic changes 60
- Fishes 60
- Ecology 58
- Feeding and feeds 58
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Food for all in a sustainable world : the IIASA food and agriculture program /
Cyhoeddwyd 1981Llyfr -
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