| File Name | Size | Date | |
 | Acid_Soil_And_Lime_2000.pdf | 81 KB | 7/12/2000 |
| Application_Of_Lime_To_Soil_2000.pdf | 206 KB | 7/12/2000 |
| Approved_Practices_In_Soil_Conservation_1973.pdf | 61696 KB | 9/8/1999 |
| Basic_Soil_Improvement_For_Everyone_1983.pdf | 3504 KB | 9/9/1999 |
 | Clay_Based_Soil_2004.txt | 3 KB | 2/11/2010 |
| Gully_Control_And_Reclamation_1981.pdf | 3142 KB | 9/25/1999 |
| How_To_Make_Potting_Soil_2004.txt | 760 | 2/11/2010 |
| Japan_Soil_Management_King_1914.pdf | 18311 KB | 9/5/2009 |
| Principles_Of_Soil_Microbiology_Waksman_1927.pdf | 36474 KB | 3/26/2010 |
| Reconstruction_By_Way_Of_The_Soil_1943.pdf | 796 KB | 11/30/2009 |
| Simple_Assessment_Techniques_For_Soil_And_Water_1999.pdf | 2288 KB | 9/15/1999 |
| Test_The_Soil_First_1957.pdf | 559 KB | 9/16/1999 |
| The-Soil-And-The-Microbe_Waksman_1931.pdf | 22084 KB | 3/26/2010 |
| The_Soil_King_1913.pdf | 19652 KB | 3/26/2010 |
| Waksman_Principles-Of-Soil_Microbiology_1927.pdf | 92785 KB | 12/1/2009 |