الموضوعات المستخلصة من بحثك.
الموضوعات المستخلصة من بحثك.
- Agriculture
- Economic aspects 345
- History 198
- Agriculture and state 89
- Environmental aspects 87
- Environment 79
- Environmental sciences 70
- Life sciences 70
- Economic conditions 68
- Research 61
- Social aspects 57
- Climatic changes 56
- Life Sciences 48
- Food 45
- Geography 44
- Sustainable development 43
- Food supply 40
- Sustainable agriculture 38
- Rural conditions 37
- Climate Change 36
- Ecology 35
- Soil Science & Conservation 35
- Soil conservation 35
- Environmental management 33
- Social conditions 32
- Environmental Management 31
- Sustainable Development 31
- Biotechnology 28
- Rural development 28
- Agricultural biotechnology 27
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No easy harvest : the dilemma of agriculture in underdeveloped countries. /
منشور في 1967وقائع المؤتمر كتاب -
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