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Articles

QUALITY CONSTITUENTS OF CARROTS DAUCUS CAROTA L. AS INFLUENCED BY NITROGEN AND POTASSIUM FERTILIZATION

Article number

29_22

Pages

295 – 306

Language

Abstract

The nutritional value of carrots is determined by the content of carotene, sugar, crude, fibre and possible detrimental substances such as nitrate.
Little is known about the variability of these constituents.
The influence of fertilization on the carotene and sugar content has been investigated several times, but the results are partly contradictory.
The purpose of this investigation was to study the effects of nitrogen and potassium fertilization on the content of carotene, sugar, nitrate, and crude fibre.

Publication

Symposium on Nutrition and Fertilization of Vegetables

Authors

J. Habben

Keywords

Full text

https://doi.org/10.17660/ActaHortic.1973.29.22

Online Articles (35)

2. THE USE OF SOIL AND PLANT ANALYSIS FOR THE FERTILIZER RECOMMENDATION DEVELOPMENT FOR VEGETABLE CROPS

K.P. Magnickij

3. OVERALL ASPECTS OF PLANT ANALYSIS IN VEGETABLE PRODUCTION

E.L. Bergman

4. THE USE OF PLANT ANALYSIS IN STUDIES OF THE NUTRITION SYSTEM OF VEGETABLE PLANTS GROWN FOR SEED PRODUCTION

Z. Zurbicki | L. Zurbicka

5. LEAF ANALYSIS AS A MEAN OF DETERMINING THE NUTRIENT REQUIREMENTS OF GREENHOUSE TOMATOES

J.R. Starck | J. Grudzinska-Kühn | J. Wojciechowski

6. CHEMICAL ANALYSIS OF PLANTS AND SUBSTRATES AS A CRITERION OF DETERMINING THE CUCUMBER FERTILIZATION NEEDS DURING GREENHOUSE GROWING

T. Pudelski

7. INVESTIGATIONS ON NITROGEN NUTRITION INDICES OF CABBAGE AND CUCUMBER

M. Mijas | O. Nowosielski

8. DEVELOPMENT OF SOIL TESTING IN THE NETHERLANDS

Ir. J. van der Boon

9. EXTRACTION METHODS FOR THE DETERMINATION OF MAJOR ELEMENTS IN GREENHOUSE SOILS AND POTTING – AND CULTURE MEDIA

J. van den Ende

10. CONSTANT NUTRIENTS AND MOISTURE FOR PRECISION NUTRIENT GRADIENTS

C.M. Geraldson

11. SOIL ANALYSES AND COMPUTERIZED FERTILIZER RECOMMENDATIONS FOR VEGETABLES IN PENNSYLVANIA

E.L. Bergman | R.F. Fletcher

12. GREENHOUSE EXPERIMENTS FOR EVALUATION OF THE METHODS OF DETERMINING POTASSIUM FERTILIZER NEEDS

S. Mercik

13. THE UNIVERSAL SOIL TESTING SYSTEM AND FERTILIZER RECOMMENDATIONS FOR VEGETABLE CROPS

O. Nowosielski

14. STANDARDIZATION OF PLANT AND SOIL TESTING FOR FERTILIZER RECOMMENDATION

O. Nowosielski

15. THE SIGNIFICANCE OF ORGANIC FERTILIZATION AT PROPER MINERAL FERTILIZATION AND IRRIGATION

D. Fritz | Chr. Wonneberger

16. THE REACTION OF VARIOUS VEGETABLE CROPS ON ORGANIC OR MINERAL FERTILIZATION BASED ON EXPERIMENTAL RESULTS IN THE YEARS 1922–1969

E. Chroboczek

17. ORGANIC FERTILIZATION IN VEGETABLE FARMING – LUXURY OR NECESSITY?

E.O. Beckmann

18. SOIL MICRO-POPULATION STUDIES IN CONTINUOUS FIELD EXPERIMENT WITH EXCLUSIVE FARM-YARD MANURING OR EXCLUSIVE MINERAL FERTILIZATION

Z. Maciejewska | L. Dutkiewicz

19. THE INFLUENCE OF GREEN MANURE FORECROPS AND OF SPRAY IRRIGATION ON THE YIELD OF LATE CABBAGE

Z. Borna

20. THE INFLUENCE OF ORGANIC FERTILIZATION AND LIMING ON VEGETABLE YIELDS (ONION, CUCUMBER, CABBAGE) AT DIFFERENT LEVELS OF MINERAL FERTILIZATION

A. Beresniewicz | O. Nowosielski

21. CRITICAL OBJECTIONS OF QUALITY RESEARCH TOWARDS CERTAIN TECHNIQUES IN VEGETABLE CULTIVATION AND PROCESSING FROM THE STANDPOINT OF THE BIOLOGICAL VALUE

W. Schuphan

22. EFFECTS OF POTASSIUM DEFICIENCY ON SOME ORGANIC CONSTITUENTS IN PLANTS

T.Z. Nowakowski

23. QUALITY CONSTITUENTS OF CARROTS DAUCUS CAROTA L. AS INFLUENCED BY NITROGEN AND POTASSIUM FERTILIZATION

J. Habben

24. THE INFLUENCE OF DIFFERENT NITROGEN FORMS AND INCREASING NITROGEN DOSES ON THE CONTENT OF TOTAL NITROGEN AND OF NITRATE IN CAULIFLOWER PLANTS

F. Pimpini | F. Venter | A. Wünsch

25. RELATIONSHIP BETWEEN THE NUTRITION AND THE APPEARANCE OF “GREENBACK” AND “BLOSSOM-END ROT” IN TOMATO FRUITS

H. Forster

26. THE CONTROL OF BLOSSOM-END ROT OF TOMATO AND TIPBURN IN LETTUCE BY USING THE PROPER FERTILIZATION

J. Borkowski | J. Ostrzycka

27. THE INFLUENCE OF NITROGEN FERTILIZATION ON ONION QUALITY AND STORAGE

M. Sypien | J. Smoter | A. Kepkowa | O. Nowosielski

28. INFLUENCE OF FERTILIZATION ON THE QUALITY OF VEGETABLES PARTICULARLY FOR PROCESSING

D. Fritz | J. Habben

29. INVESTIGATION OF TRACE ELEMENT SUPPLY OF TOMATO-PLANTS

I. Pais | A. Somos | F. Tarjányi

30. EFFECT OF MINERAL FERTILIZATION ON THE PRODUCTIVITY AND SOME QUALITY INDICES OF THE WHITE HEAD CABBAGE

G. Dimitrov | V. Rankov

31. THE INFLUENCE OF HEAVY APPLICATION OF MINERAL FERTILIZERS AND OF IRRIGATION ON THE YIELD VEGETABLES

Z. Borna

32. THE INFLUENCE OF DIFFERENT WAYS OF MIXING LARGE AMOUNTS OF PHOSPHORUS AND POTASSIUM FERTILIZERS WITH SOIL ON THE YIELD OF LATE CABBAGE

Z. Borna

33. THE EFFECT OF MULCHING ON THE BEHAVIOUR OF SOME NUTRIENT COMPOUNDS IN THE SOIL

A. Libik | T. Wojtaszek

34. THE USE OF FERTILIZERS ON VEGETABLES IN GHANA

S. Sinnandurai

35. ATMOSPHERIC ELECTRICITY AND PLANT NUTRITION

Z. Zurbicki