SOIL SURVEY MANUAL
SOIL SURVEY MANUAL
- Washington : US. Dept. of Agriculture, 1951
- 503p ; illus.
Introduction. 1. Soil and landscape. 2. Character of soil maps and reports. 3. Purpose of soil maps and reports. 4. Preparation for field work. 5. Plotting and assembly of field data. 6. Examination and description of soils in the field. 7. Parent materials of soils. 8. Land form, relief and drainage. 9. Identification and nomenclature of soils horizons. 10. Soil color. 11. Soil texture, coarse fragments, stoniness and rockiness. 12. Soil structure. 13. Soil consistence. 14. Soil reaction. 15. Special formations in soil profiles. 16. Organic matter and roots. 17. Accelerated soil erosion. 18. Vegetation. 19. Land use. 20. Units of soil classification and mapping. 21. The soil mapping legend. 22. Plotting soil boundaries in the field 23. Collection and examination of soil samples. 24. Estimation and mapping of salts and alkali in the soil. 25. Yield predictions and soil management practices. 26. Soil correlation and inspection. 27. Soil grouping on the map. 28. The soil survey report. 29. Reconnaissance soil mapping. 30. General bibliography. 31. Special bibliography of soil surveys
ENG
SOIL SURVEY - MANUAL.
Introduction. 1. Soil and landscape. 2. Character of soil maps and reports. 3. Purpose of soil maps and reports. 4. Preparation for field work. 5. Plotting and assembly of field data. 6. Examination and description of soils in the field. 7. Parent materials of soils. 8. Land form, relief and drainage. 9. Identification and nomenclature of soils horizons. 10. Soil color. 11. Soil texture, coarse fragments, stoniness and rockiness. 12. Soil structure. 13. Soil consistence. 14. Soil reaction. 15. Special formations in soil profiles. 16. Organic matter and roots. 17. Accelerated soil erosion. 18. Vegetation. 19. Land use. 20. Units of soil classification and mapping. 21. The soil mapping legend. 22. Plotting soil boundaries in the field 23. Collection and examination of soil samples. 24. Estimation and mapping of salts and alkali in the soil. 25. Yield predictions and soil management practices. 26. Soil correlation and inspection. 27. Soil grouping on the map. 28. The soil survey report. 29. Reconnaissance soil mapping. 30. General bibliography. 31. Special bibliography of soil surveys
ENG
SOIL SURVEY - MANUAL.