| nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
| 1 |
A comparison of aphidophagous arthropods on maize polycultures and monocultures, in Central Mexico
|
Trujillo-Arriaga, Javier
|
|
1990
|
31 |
4 |
p. 337-349
13 p.
|
artikel
|
| 2 |
Analysis of resource allocation to irrigated maize and wheat in northern Spain
|
Golley, Frank B.
|
|
1990
|
31 |
4 |
p. 313-323
11 p.
|
artikel
|
| 3 |
Author index
|
|
|
1990
|
31 |
4 |
p. 351-353
3 p.
|
artikel
|
| 4 |
Carbon mineralization in soil amended with different organic materials
|
Levi-Minzi, R.
|
|
1990
|
31 |
4 |
p. 325-335
11 p.
|
artikel
|
| 5 |
Comparative analysis of the effectiveness of manual versus mechanized tillage among Third World smallholders: a case study in Bauchi State of Nigeria
|
Eziakor, Ikechukwu G.
|
|
1990
|
31 |
4 |
p. 301-312
12 p.
|
artikel
|
| 6 |
Contents of agriculture, ecosystems and environment, volume 31
|
|
|
1990
|
31 |
4 |
p. 355-356
2 p.
|
artikel
|
| 7 |
Interaction effects of carbaryl and its hydrolysis product, 1-naphthol, towards three isolates of microalgae from rice soil
|
Megharaj, M.
|
|
1990
|
31 |
4 |
p. 293-300
8 p.
|
artikel
|
| 8 |
Tuber infestation by potato tubermoth, Phthorimaea operculella (Zeller), at potato harvest in relation to farmers' practices
|
Von Arx, R.
|
|
1990
|
31 |
4 |
p. 277-292
16 p.
|
artikel
|
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