| nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
| 1 |
An introduction to agricultural systems
|
Jacquard, Pierre
|
|
1990
|
32 |
1-2 |
p. 157-159
3 p.
|
artikel
|
| 2 |
Announcements
|
|
|
1990
|
32 |
1-2 |
p. 169-170
2 p.
|
artikel
|
| 3 |
Atriplex species as irrigated forage crops
|
Watson, M.Carolyn
|
|
1990
|
32 |
1-2 |
p. 107-118
12 p.
|
artikel
|
| 4 |
Biological control of the cassava mealybug, Phenacoccus manihoti (Hom., Pseudococcidae) by Epidinocarsis lopezi (Hym., Encyrtidae) in West Africa, as influenced by climate and soil
|
Neuenschwander, P.
|
|
1990
|
32 |
1-2 |
p. 39-55
17 p.
|
artikel
|
| 5 |
Direct and residual effects of short duration intercrops on the cassava whiteflies Aleurotrachelus socialis and Trialeurodes variabilis (Homoptera: Aleyrodidae) in Colombia
|
Gold, Clifford S.
|
|
1990
|
32 |
1-2 |
p. 57-67
11 p.
|
artikel
|
| 6 |
Editorial Board
|
|
|
1990
|
32 |
1-2 |
p. iii-
1 p.
|
artikel
|
| 7 |
Effect of Trona (Urao) on the survival and reproduction of Sitophilus zeamais and Tribolium castaneum on stored maize
|
Emebiri, L.C.
|
|
1990
|
32 |
1-2 |
p. 69-75
7 p.
|
artikel
|
| 8 |
Humic substances and their role in the environment
|
Porter, Lynn K.
|
|
1990
|
32 |
1-2 |
p. 163-166
4 p.
|
artikel
|
| 9 |
Impact of irrigated horticulture on nitrate concentrations in groundwater
|
Pionke, H.B.
|
|
1990
|
32 |
1-2 |
p. 119-132
14 p.
|
artikel
|
| 10 |
Influence of tree canopies on grassland productivity and nitrogen dynamics in deciduous oak savanna
|
Jackson, L.E.
|
|
1990
|
32 |
1-2 |
p. 89-105
17 p.
|
artikel
|
| 11 |
Input/export relationships of major ions in west Wales catchments
|
Adams, W.A.
|
|
1990
|
32 |
1-2 |
p. 13-24
12 p.
|
artikel
|
| 12 |
Insect pheromones in plant protection
|
Tòth, M.
|
|
1990
|
32 |
1-2 |
p. 167-168
2 p.
|
artikel
|
| 13 |
Interactions between three weevil species in the biocontrol of Sesbania punicea (Fabaceae): the role of simulation models in evaluation
|
Hoffmann, J.H.
|
|
1990
|
32 |
1-2 |
p. 77-87
11 p.
|
artikel
|
| 14 |
Modifying a water balance program (WATBA) to test the effectiveness of reclamation measures on degraded rangeland by chisel ploughing and waterponding
|
Richmond, G.S.
|
|
1990
|
32 |
1-2 |
p. 1-12
12 p.
|
artikel
|
| 15 |
Natural enemies and host-plant asynchrony contributing to the failure of the introduced moth, Coleophora parthenica Meyrick (Lepidoptera: Coleophoridae), to control Russian thistle
|
Müller, H.
|
|
1990
|
32 |
1-2 |
p. 133-142
10 p.
|
artikel
|
| 16 |
Nitrogen efficiency in agricultural soils
|
Reeves, D.W.
|
|
1990
|
32 |
1-2 |
p. 155-157
3 p.
|
artikel
|
| 17 |
Nutrient cycling in the cacao ecosystem: rain and throughfall as nutrient sources for the soil and the cacao tree
|
de Oliveira Leite, J.
|
|
1990
|
32 |
1-2 |
p. 143-154
12 p.
|
artikel
|
| 18 |
Respiration studies on the decomposition of organic waste-amended colliery spoil
|
Tam, N.F.Y.
|
|
1990
|
32 |
1-2 |
p. 25-38
14 p.
|
artikel
|
| 19 |
Reviews of environmental contamination and toxicology
|
Brooks, G.T.
|
|
1990
|
32 |
1-2 |
p. 161-163
3 p.
|
artikel
|
| 20 |
Studies in environmental science 33: Principles of environmental science and technology
|
Brooks, G.T.
|
|
1990
|
32 |
1-2 |
p. 159-161
3 p.
|
artikel
|
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