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Articles

N-EXPERT – A DECISION SUPPORT SYSTEM FOR VEGETABLE FERTILIZATION IN THE FIELD

Article number

339_6

Pages

67 – 74

Language

Abstract

The computer program N-Expert calculates field specific fertilizer recommendations for vegetable crops.
Since the calculation is based on simple plant growth- and soil-models which need only few input data the program can be used by both growers and advisers.

Publication

Workshop on Ecological Aspects of Vegetable Fertilization in Integrated Crop Production in the Field

Authors

M. Fink, H.C. Scharpf

Keywords

Nitrogen, Nmin-method, models

Full text

https://doi.org/10.17660/ActaHortic.1993.339.6

Online Articles (22)

2. ECOLOGICAL ASPECTS OF INTEGRATED CROP PRODUCTION (IP) IN SWITZERLAND

C. Gysi

3. EFFECT OF THREE FARMING SYSTEMS (BIO-DYNAMIC, BIO-ORGANIC, CONVENTIONAL) ON YIELD AND QUALITY OF BEETROOT (BETA VULGARIS L. VAR. ESCULENTA L.) IN A SEVEN YEAR CROP ROTATION.

. | L. Pfiffner | U. Niggli | . | A. Velimirov | L. Boltzmann | U. Balzer | F. Balzer | J.-M. Besson

4. THE MIGROS-SANO PROGRAM FOR SOIL FERTILITY AND VEGETABLE QUALITY

T. Epp | Dr. A. Palasthy

5. INDUSTRIAL CONTRACT GROWING OF VEGETABLES FOR BABY FOOD

E. Bruckner

6. EFFECTS OF NITROGEN AVAILABILITY ON CROP GROWTH AND NITROGEN UPTAKE OF BRUSSELS SPROUTS AND LEEK

R. Booij | C.T. Enserink | A.L. Smit | A. van der Werf

7. N-EXPERT – A DECISION SUPPORT SYSTEM FOR VEGETABLE FERTILIZATION IN THE FIELD

M. Fink | H.C. Scharpf

8. VALIDATION OF A SIMULATION MODEL FOR CARBON AND NITROGEN DYNAMICS IN SOIL IN A FIELD TRIAL

J. Rühlmann | B. Geyer

9. PLANT NUTRIENT COMPOSITION AS A COMPONENT OF CROP PROTECTION

. | M.-H. Michaud | F. Charbonneau

10. NUTRIENT UPTAKE OF YEAR ROUND TOMATO CROPS

W. Voogt

11. AMOUNTS OF ORGANIC CONSTITUENTS IN TOMATO CULTIVATED IN OPEN AND CLOSED HYDROPONIC SYSTEMS

F. Lippert

12. INFLUENCE OF NITROGEN SUPPLY ON THE OCCURENCE OF CALCIUM DEFICIENCY IN FIELD GROWN LETTUCE

I. Brumm | M. Schenk

13. DIURNAL FLUCTUATIONS IN NITRATE UPTAKE AND NITRATE ACCUMULATION IN LETTUCE (LACTUCA SATIVA L.).

Gilda A. Carrasco | S. W. Burrage

14. GENERAL AND QUANTITATIVE ASPECTS OF NITROGEN FERTILIZER USE IN THE CULTIVATION OF BRASSICA VEGETABLES

A.P. Everaarts

15. STRATEGIES TO IMPROVE THE EFFICIENCY OF NITROGEN FERTILIZER USE IN THE CULTIVATION OF BRASSICA VEGETABLES

A.P. Everaarts

16. NITRITE DAMAGE IN LAMBS LETTUCE DUE TO STEAM STERILISATION OF GREENHOUSE SOIL

W. Koch

17. USE OF THE N_MIN-METHOD FOR OPTIMIZATION OF VEGETABLE NITROGEN NUTRITION

J. Sørensen

18. SOLUBLE NITROGEN AND CARBON IN THE SUBSOIL IN RELATION TO VEGETABLE PRODUCTION INTENSITY

R. Hähndel | K. Isermann

19. IMPROVING THE USE OF NITROGEN IN BRASSICA ROTATIONS

C.R. Rahn | C.D. Paterson | L.V. Vaidyanathan

20. POTENTIAL NITRATE LEACHING FROM VEGETABLE FARMS IN DENMARK

T. Huus-Bruun

21. IMPROVING THE QUALITY OF COMPOST AMENDED PEAT POTS FOR VEGETABLE PLANTLETS IN ORGANIC FARMING

M. Leiser

22. SLOW RELEASE FERTILIZERS ON ORGANIC CARRIERS AS THE SOURCE OF N FOR VEGETABLE CROPS PRODUCTION IN THE OPEN FIELD

E. Kolota | A. Beresniewicz | J. Krezel | O. Nowosielski