9787806215531 - 黄河水土保持生态工程建设管理 (1 risultati)

Lingua: Inglese
Editore: Yellow River Conservancy Publishing House; 1 edition (June 1. 2002), 2000
- Brossura
Da: liu xing, Nanjing, JS, Cinaliu xing
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 56,40
EUR 15,73 spedizioneSpedito da Cina a U.S.A.Quantità: 1 disponibili
paperback. Condizione: New. Paperback. Pub Date: 2002 Jun Pages: 289 in Publisher: Yellow River basin of the Yellow River Conservancy Press is our most serious soil erosion areas. Especially in the Loess Plateau. the area of ??soil erosion. or loss of strength. are any other region in the world do not have. Soil erosion area acc…ounted for 70.9% of the land area. the average years enter the lower reaches of the Yellow River sediment is about 1.6 billion tons. Resulting in the Loess Plateau fragmented terrain and fragile .