| nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
| 1 |
Editorial board
|
|
|
1970
|
1 |
6 |
p. 1
|
artikel
|
| 2 |
Effect of tillage treatments upon soil tests for soil acidity, soil phosphorus and soil potassium at three soil depths
|
Walker, W. M.
|
|
1970
|
1 |
6 |
p. 367-375
|
artikel
|
| 3 |
Introduction
|
Jones, J. Benton
|
|
1970
|
1 |
6 |
p. 1
|
artikel
|
| 4 |
Mineral composition of tobacco leaf samples part II: As affected by soil fertility, seasonal variation, and stage of growth
|
Lockman, Raymond B.
|
|
1970
|
1 |
6 |
p. 353-365
|
artikel
|
| 5 |
Precision nutrient gradients -a component for optimal production
|
Geraldson, C. M.
|
|
1970
|
1 |
6 |
p. 317-331
|
artikel
|
| 6 |
Rapid preparation of plant samples for cation analysis
|
Graham, R. D.
|
|
1970
|
1 |
6 |
p. 377-382
|
artikel
|
| 7 |
Soil and plant analysis as diagnostic and management tools for industry
|
Wolf, Benjamin
|
|
1970
|
1 |
6 |
p. 341-351
|
artikel
|
| 8 |
The role of soil testing and plant analysis as an integral program at agricultural experiment stations
|
Kenworthy, A. L.
|
|
1970
|
1 |
6 |
p. 333-339
|
artikel
|
| 9 |
Uniformity, standardization and terminology: Our problems and progress
|
Jones, J. Benton
|
|
1970
|
1 |
6 |
p. 311-316
|
artikel
|
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