| nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
| 1 |
Bean fly, management practices, and biological control in Malawian subsistence agriculture
|
Letourneau, Deborah K.
|
|
1994
|
50 |
2 |
p. 103-111
9 p.
|
artikel
|
| 2 |
Growth responses of N and S deficient white clover and burr medic to SO2, NO and NO2
|
Murray, Frank
|
|
1994
|
50 |
2 |
p. 113-121
9 p.
|
artikel
|
| 3 |
Influence of weeds within Zea mays crop plantings on populations of adult Diabrotica barberi and Diabrotica virgifera virgifera
|
Pavuk, Daniel M.
|
|
1994
|
50 |
2 |
p. 165-175
11 p.
|
artikel
|
| 4 |
Metal-organic associations in two extracts from nine soils amended with three sewage sludges
|
Keefer, R.F.
|
|
1994
|
50 |
2 |
p. 151-163
13 p.
|
artikel
|
| 5 |
Soil enzyme activities after 1500 years of terrace agriculture in the Colca Valley, Peru
|
Dick, R.P.
|
|
1994
|
50 |
2 |
p. 123-131
9 p.
|
artikel
|
| 6 |
Studies of seasonal changes in the microbial populations on the phyllosphere of spring wheat as a prelude to the release of a genetically modified microorganism
|
Legard, D.E.
|
|
1994
|
50 |
2 |
p. 87-101
15 p.
|
artikel
|
| 7 |
The impact of selenium fertilisation on the distribution of selenium in rivers in Finland
|
Wang, Dacheng
|
|
1994
|
50 |
2 |
p. 133-149
17 p.
|
artikel
|
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