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Reclamation of land
Waste lands
3
Afforestation
1
Colonization (Ecology)
1
Factory and trade waste
1
Freshwater ecology
1
Nature conservation
1
Plants
1
Restoration ecology
1
Revegetation
1
Women and land use planning
1
Women in agriculture
1
Women in conservation of natural resources
1
Women in rural development
1
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1
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2
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3
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4