The pelt of a dog named “Mutton” languished in a drawer at the Smithsonian for 150 years until it was discovered, almost accidentally, by an amateur archivist. This book tells Mutton's story and exp……続きを見る
The book is a comprehensive manual of practice for execution of afforestation and tree planting programmes in arid and semi-arid tropics. It includes a compact running account of the technology of a……続きを見る
