Isbn: 9787800100765 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 1988-09 Pages: 360 Publisher: China Environmental Science Press This book systematically introduces the entire process and research methods of soil element background value research in Hunan Province. It provides background values for dozens of elements in various soil types in Hunan Province. along with more than 40 background value charts. It explores the main factors that form and influence soil element background values and offers in-depth discussions.…