|
64 |
A study of the reasons for success or failure of soil conservation projects, 1991 |
1991 |
Report |
|
|
62 |
Management of gypsiferous soils, 1990 |
1990 |
Report |
|
|
61 |
Radioactive fallout in soils, crops and food, 1989 |
1989 |
Report |
|
|
59 |
Nature and management of tropical peat soils, 1988 |
1988 |
Report |
|
|
58 |
Guidelines: land evaluation for extensive grazing, 1991 |
1991 |
Report |
|
|
57 |
Soil and water conservation in semi-arid areas, 1987 |
1987 |
Report |
|
|
56 |
Soil management: compost production and use in tropical and subtropical environments, 1987 |
1987 |
Report |
|
|
55 |
Guidelines: land evaluation for irrigated agriculture, 1985 |
1985 |
Report |
|
|
55 |
Guidelines: land evaluation for irrigated agriculture, 1989 |
1989 |
Report |
|
|
54 |
Tillage systems for soil and water conservation, 1984 |
1984 |
Report |
|
|
|