| nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
| 1 |
Applicability of 0.01 M CaCl2 as a single extraction solution for the assessment of the nutrient status of soils and other diagnostic purposes
|
Houba, V. J. G.
|
|
1990
|
21 |
19-20 |
p. 2281-2290
|
artikel
|
| 2 |
A rapid and simple field test for phosphorus in Olsen and Bray No. 1 extracts of soil
|
Irving, G. C. J.
|
|
1990
|
21 |
19-20 |
p. 2245-2255
|
artikel
|
| 3 |
Colorimetric method for phosphorus measurement in ammonium oxalate soil extracts
|
Wolf, A. M.
|
|
1990
|
21 |
19-20 |
p. 2257-2263
|
artikel
|
| 4 |
Comparison of a microwave digestion system to other digestion methods for plant tissue analysis
|
Rechcigl, J. E.
|
|
1990
|
21 |
19-20 |
p. 2209-2218
|
artikel
|
| 5 |
Determination of oxalic acid (ethanedioic acid) in soil extracts using high performance liquid chromatograph
|
Howe, T. G.
|
|
1990
|
21 |
19-20 |
p. 2371-2378
|
artikel
|
| 6 |
Editorial board
|
|
|
1990
|
21 |
19-20 |
p. 1
|
artikel
|
| 7 |
Effectiveness of acetylene inhibition of N2O reduction for measuring denitrification in soils of varying wetness
|
Aulakh, M. S.
|
|
1990
|
21 |
19-20 |
p. 2233-2243
|
artikel
|
| 8 |
Evaluation of an aluminum digestion block for routine total soil phosphorus determination by alkaline hypobromite oxidation
|
Cihacek, L. J.
|
|
1990
|
21 |
19-20 |
p. 2361-2370
|
artikel
|
| 9 |
Methods of assessing boron availability in potting media with special reference to toxicity
|
Handreck, Kevin A.
|
|
1990
|
21 |
19-20 |
p. 2265-2280
|
artikel
|
| 10 |
Mineral concentrations in leaves and stems of various forages of the Colombian paramo
|
Pastrana, R.
|
|
1990
|
21 |
19-20 |
p. 2345-2360
|
artikel
|
| 11 |
Removal of phosphorus contamination from charcoal prior to decolorisation of soil extracts
|
Sarirullah, M.
|
|
1990
|
21 |
19-20 |
p. 2227-2231
|
artikel
|
| 12 |
Response of pineapple to mycorrhizal inoculation and fosetyl-Al treatment
|
Aziz, T.
|
|
1990
|
21 |
19-20 |
p. 2309-2317
|
artikel
|
| 13 |
Soil nitrate and ammonium variation with area and date sampled
|
Lockman, R. B.
|
|
1990
|
21 |
19-20 |
p. 2219-2226
|
artikel
|
| 14 |
Soil zinc and pH effects on leaf zinc and the interaction of leaf calcium and zinc on zinc toxicity of peanuts
|
Parker, M. B.
|
|
1990
|
21 |
19-20 |
p. 2319-2332
|
artikel
|
| 15 |
Supernatant solutions containing various levels of aluminum and similar concentrations of phosphorus for aluminum phytotoxicity studies
|
Lin, Zhongyan
|
|
1990
|
21 |
19-20 |
p. 2291-2307
|
artikel
|
| 16 |
Treatment effects on survival, growth, and leaf color of pin oak seedlings in calcareous soil
|
Messenger, A. S.
|
|
1990
|
21 |
19-20 |
p. 2379-2387
|
artikel
|
| 17 |
Using particle density of a container medium to determine accuracy of bulk density and total porosity determinations
|
Hershey, David R.
|
|
1990
|
21 |
19-20 |
p. 2333-2343
|
artikel
|
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