Soil Survey Staff 1999, Soil Taxonomy. A basic system of soil classification for making and interpreting soil surveys, 2nd edition. Agricultural Handbook 436, Natural Resources Conservation Service, USDA, Washington DC, USA, pp. 869

I. C. Baillie، نويسنده ,

روزنامه با شماره پیاپی سال 2001

4

57

60

Soil Use and Management

2001

Soil Use and Management

302445