Хайлтын үр дүнгүүд
Таны хайлт доторх Санал болгосон сэдвүүд.
Таны хайлт доторх Санал болгосон сэдвүүд.
- Agriculture
- Economic aspects 278
- Agriculture and state 143
- History 99
- Environmental aspects 77
- Government policy 45
- Environment 39
- Environmental sciences 35
- Economic conditions 34
- Life sciences 31
- Research 31
- Forecasting 27
- Social aspects 27
- Climatic changes 26
- Produce trade 26
- Sustainable agriculture 26
- Food supply 23
- Rural conditions 23
- Food 22
- Geography 22
- Sustainable development 22
- Agricultural productivity 18
- Life Sciences 18
- Rural development 18
- Soil Science & Conservation 17
- Soil conservation 17
- Ecology 16
- Environmental management 16
- Social conditions 16
- Climate Change 15
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No easy harvest : the dilemma of agriculture in underdeveloped countries. /
Хэвлэсэн 1967Бага хурлын үйл явц Ном -
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