5 public-domain matches

Vegetation Indices

Cover of Applications of Remote Image Capture System in Agriculture

Applications of Remote Image Capture System in Agriculture

Unknown author

Cover of Feature Papers of Drones Vol. 1

Feature Papers of Drones Vol. 1

Unknown author

Cover of Feature Papers of Drones Vol. 2

Feature Papers of Drones Vol. 2

Unknown author

Cover of Natural vegetation as an indicator of the capabilities of land for crop production in the Great Plains area

Natural vegetation as an indicator of the capabilities of land for crop production in the Great Plains area

Homer Le Roy Shantz

The Geographical Distribution of Animals

The Geographical Distribution of Animals

Alfred Russel Wallace