|
72 |
Sustainable dryland cropping in relation to soil productivity, 1995 |
1995 |
Report |
|
|
70 |
Land husbandry: components and strategy, 1994 |
1994 |
Report |
|
|
70 |
Land husbandry: components and strategy, 1996 |
1996 |
Report |
|
|
69 |
Soil tillage in Africa: needs and challenges, 1993 |
1993 |
Report |
|
|
68 |
Field measurement of soil erosion and runoff, 1993 |
1993 |
Report |
|
|
68 |
Field measurement of soil erosion and runoff, 1997 |
1997 |
Report |
|
|
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 |
|
|
|