|
11 |
Soil fertility investigations on farmers? fields, 1970 |
1970 |
Report |
|
|
10 |
Physical and chemical methods of soil and water analysis, 1970 |
1970 |
Report |
|
|
9 |
The preparation of soil survey reports, 1970 |
1970 |
Report |
|
|
8 |
Soil survey interpretation and its use, 1967 |
1967 |
Report |
|
|
7 |
A practical manual of soil microbiology laboratory methods, 1967 |
1967 |
Report |
|
|
6 |
Aerial photo interpretation in soil survey, 1967 |
1967 |
Report |
|
|
5 |
Selection of soil for cocoa, 1966 |
1966 |
Report |
|
|
4 |
Guide to sixty soil and water conservation practices, 1966 |
1966 |
Report |
|
|
3 |
Guide on general and specialized equipment for soils laboratories, 1966 |
1966 |
Report |
|
|
2 |
A survey of soils laboratories in sixty-four FAO member countries, 1965 |
1965 |
Report |
|
|
|