books permanent plant cover
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# What are the types of vegetation cover?
# Vegetation cover and soil conservation
# vegetation cover
# Vegetation and animal cover
# Vegetation cover and wild animals
# Vegetation cover and livestock
# Vegetation cover and land use
# Vegetation cover in Siberia
# deterioration of vegetation cover
# Vegetation cover in Algeria
# The geography of vegetation cover in Europe
# Geography of vegetation cover in Asia
# Vegetation cover in the Arab world
# Vegetation cover and its effect on climate
# vegetation cover in western europe
# vegetation cover in Yemen
# Vegetation cover in Egypt
# Vegetation cover in Morocco
# Vegetation cover in the following region
# Deterioration of vegetation cover in Qalamoun
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Source: wikipedia.org
غطاء نباتي دائم (Info)
غطاء نباتي دائم يشار إليه بكل من الأشجار والعشب المعمر والمراعي والبقوليات والشجيرات المتوقع أعمارها ب 5 سنوات على الأقل وفي الولايات المتحدة الأمريكية الغطاء الدائم مطلوب في الأراضي الزراعية المنضمة إلى برنامج الحفاظ على الاحتياطي.
