الموضوعات المستخلصة من بحثك.
الموضوعات المستخلصة من بحثك.
Water management
Water treatment
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Resources economics
18
Water Resources
13
Soil Water Management (Irrigation and Drainage), (Revised June 2002)
8
Water resources
8
Irrigation
7
Water
7
Natural Resource Economics, (New March 2000)
6
Sustainability
5
Irrigation systems
4
Social Psychology and Social Anthropology, (New March 2000)
4
Water supply
4
Water use
4
Watershed management
4
Cropping systems
3
Environment
3
Land Resources
3
Land management
3
Pest management
3
Policy and Planning
3
Pollution and Degradation
3
Soil
3
Water policy
3
Water quality
3
Water-supply, Agricultural
3
Watersheds
3
Weed management
3
Agricultural development
2
Agriculture
2
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2Printed Book
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10Printed Book
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11Printed Book
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16منشور في 2000Printed Book
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19منشور في 2005Printed Book
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