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Articles

NITRATE IN VEGETABLES UNDER PROTECTED CULTIVATION

Article number

145_26

Pages

251 – 256

Language

Abstract

The results are given of a survey in which the nitrate content of various crops under protected cultivation was studied.
Leafy vegetables have a high, fruit vegetables a low nitrate content.
The growing period within the year /= the global radiation level/ was found to strongly affect the nitrate content of lettuce.
The regression equation of nitrate content of lettuce on average radiation in 12 months was calculated.

Publication

Symposium on the Use of Fertilizers in Protected Vegetable Production

Authors

J.P.N.L. Roorda van Eysinga

Keywords

Full text

https://doi.org/10.17660/ActaHortic.1984.145.26

Online Articles (33)

2. CULTIVATION-METHOD-DEPENDENT FERTILIZING OF GREENHOUSE-GROWN VEGETABLES

Th. Geissler | R. Schmidt | M. Bohme

3. THE PROGRAMMING OF THE SUPPLY OF NUTRIENTS IN RELATION TO THE GROWN VEGETABLE AND GROWING TECHNIQUE

L. Ottosson | I. Christensen

4. INFLUENCE OF FERTILIZATION ON THE QUALITY OF VEGETABLES IN PROTECTED CULTIVATION

F. Venter | D. Fritz

5. THE ROLE OF N FERTILIZATION IN RELATION TO THE KEEPING QUALITY OF ONION

J. Kampen

6. EFFECT OF PROGRAMMED FERTILIZATION ON THE GROWTH OF TOMATOES CULTIVATED IN DIFFERENT SUBSTRATES AND SIZE OF CONTAINERS

W. Oswiecimski

7. THE LARGE P AND CA PREPLANTING RATES FOR TOMATO PLANTS GROWN UNDER GLASS IN DECREASED SUBSTRATE VOLUME

H. Wisniewska

8. THE EFFECT OF NITROGEN ON YIELD OF GREENHOUSE TOMATOES GROWN IN PEAT, PINE BARK AND SAWDUST

J.R. Starck | B. Okruszko

9. IONIC STABILITY OF THE ROOT ENVIRONMENT FOR INTENSIVE PRODUCTION OF VEGETABLE CROPS

C.M. Geraldson

10. THE IMPORTANCE OF TRACE-ELEMENTS RESEARCH FOR HUMANITY

I. Pais

11. SOME RESPONSES OF CUCUMBERS AND LETTUCE, GROWN IN A PEAT SUBSTRATE, TO PHOSPHATE AND LIME

P. Adams | G.W. Winsor

12. THE SLOW RELEASE N, K FERTILIZERS ON ORGANIC CARRIERS AND THEIR APPLICATION IN HORTICULTURE

H. Struszczyk | A. Beresniewicz | O. Nowosielski

13. THE UPTAKE OF FERTILIZER AND SOIL NITROGEN BY PEPPER PLANTS

L. Raikova | V. Rankov

14. EFFECTS OF FERTILIZATION AND IRRIGATION ON THE QUALITY OF RADISH /RAPHANUS SATIVUS L. VAR. NIGER/ GROWN IN EXPERIMENTAL POTS

K.W. Park | D. Fritz

15. UPTAKE OF PHOSPHATES AT EARLY TOMATO GROWTH AT MINERAL FERTILIZATION OF SOME GREENHOUSE SOILS

I. Stoyanova | V. Rankov

16. THE CONCEPT AND PRODUCTION TECHNOLOGY OF ORGANIC-LIME-MINERAL FERTILIZERS OF COMPLETE TYPE

O. Nowosielski | A. Beresniewicz | B. Szmidt

17. FERTILIZATION OF GREENHOUSE TOMATOES GROWN IN SUBIRRIGATION METHOD

H. Gosiewski | H. Skapski

18. SOIL AND PLANT FACTORS AFFECTING AVAILABILITY OF MINERAL NUTRIENTS

A. Jungk

19. NUTRIENT UPTAKE BY TOMATOES IN NUTRIENT FILM TECHNIQUE HYDROPONICS

G.E. Wilcox

20. THE YIELDING ABILITY OF SEVERAL GREENHOUSE TOMATO CULTIVARS IN DEPENDENCE ON NUTRIENT SOLUTION CONCENTRATION AND FLOW AND ON PLANT DENSITY IN TRAY CONTAINER CULTIVATION

K. Bartkowski

21. WAYS TO SIMPLIFY WATERING AND NUTRITION IN SOILLESS CULTURES IN PROTECTED VEGETABLE CULTIVATION

E. Folster

22. FOLIAR NUTRITION – OLD IDEAS REDISCOVERED

H.B. Tukeý Jr | S. Marczynski

23. THE MAXIMUM CONCENTRATION OF MACROELEMENT SALT SOLUTIONS FOR REPEATED FOLIAR NUTRITION OF GREENHOUSE TOMATO /LYCOPERSICON ESCULENTUM MILL. CV. OSTONA/

A. Komosa

24. STUDY ON THE CALCIUM UPTAKE DYNAMIC BY TOMATO FRUITS AND BLOSSOM-END ROT CONTROL

J. Borkowski

25. SOME MECHANIZATION PROBLEMS IN GREENHOUSE PRODUCTION

St. Chmielarz | J. Kubiak | G. Wojtyrowski

26. DIAGNOSIS OF THE NUTRITIONAL STATUS OF PROTECTED CROPS

G.W. Winsor

27. NITRATE IN VEGETABLES UNDER PROTECTED CULTIVATION

J.P.N.L. Roorda van Eysinga

28. THE COMPARISON OF TOTAL AND SOLUBLE FRACTION OF MINERAL ELEMENTS IN TOMATOE LEAVES

W. Oswiecimski

29. BROMINE IN GLASSHOUSE LETTUCE AS AFFECTED BY CHEMICAL SOIL DISINFECTANTS AND STEAM STERILIZATION

J.P.N.L. Roorda van Eysinga | S.S. de Bes

30. PEPPER SEEDLING, A SALT SENSITIVE CROP

V. Kanazirska | Chr. Simidchiev | V. Rankov

31. THE USEFULNESS OF TEST METHODS OF ANALYSIS OF NUTRIENT SUBSTANCES lN ESTIMATING THE QUANTITATIVE CHANGES IN THEIR COMPOSITION AND IN DETERMINING THE NEED FOR FERTILIZATION IN THE GREENHOUSE CULTIVATION OF LETTUCE AND TOMATOES

W. Sady | T. Wojtaszek | A. Libik

32. AN AGRICULTURAL FERTILIZATION SYSTEM TRANSFERRED TO HORTICULTURAL CROPS

J. Nielsen

33. THE COMMON EXTRACTION OF TRACE ELEMENTS FROM HORTICULTURAL SOILS AND SUBSTRATES

O. Nowosielski | E. Ellis | W. Czerniawska | A. Strahl | A. Tokarz