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ELECTRICAL CONDUCTIVITY EFFECT ON GROWTH AND MINERAL COMPOSITION OF LETTUCE PLANTS IN HYDROPONIC SYSTEM

Article number

434_6

Pages

59 – 66

Language

Abstract

A study was conducted with lettuce plant.
Three varieties (Tom Thumb, Paris Island and Ice Queen) were grown for 2 seasons in hydroponic experiment.
The electrical conductivity of nutrient solution was maintained at values 1.0, 1.5 and 1.8 mmhos/cm, respectively.
Fresh weight and mineral composition (N, P, K, Zn, Mn, Fe and Cu) were investigated.
Fresh weight production of the three lettuce varieties decreased with increasing EC level of the nutrient solution.
The mineral composition of lettuce plants was influenced with different EC levels and the varieties used.
This study suggested that Paris Island is the best variety in terms of quality and quantity production under hydroponic system.

Publication

Strategies for Market Oriented Greenhouse Production

Authors

A.F. Abou-Hadid, E.M. Abd-Elmoniem, M.Z. El-Shinawy, M. Abou-Elsoud

Keywords

Full text

https://doi.org/10.17660/ActaHortic.1996.434.6

Online Articles (55)

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3. PRELIMINARY STUDY ON USING SOME COMMERCIAL FERTILIZER IN NFT SYSTEM. I. EFFECT OF COMMERCIAL FERTILIZER ON VEGETATIVE GROWTH AND NPK REMOVAL

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4. IMPROVEMENT OF GREENHOUSE TOMATO FRUIT QUALITY BY MANIPULATION OF ROOT SIZE, NUTRIENT SOLUTION COMPOSITION, AND FRUIT THINNING

A. Bar-Tal | I. Rylski | A. Feigin | E. Pressman

5. EFFECT OF NITROGEN FORM ON LETTUCE PLANT GROWN IN HYDROPONIC SYSTEM

E.M. Abd-Elmoniem | A.F. Abou-Hadid | M.Z. El-Shinawy | A.S. El-Beltagy | A.M. Eissa

6. COMPARATIVE WATER USE EFFICIENCIES OF LETTUCE PLANTS GROWN IN DIFFERENT PRODUCTION SYSTEMS

M.Z. El-Shinawy | M.A. Medany | A.F. Abou-Hadid | E.M. Soliman | A.S. El-Beltagy

7. ELECTRICAL CONDUCTIVITY EFFECT ON GROWTH AND MINERAL COMPOSITION OF LETTUCE PLANTS IN HYDROPONIC SYSTEM

A.F. Abou-Hadid | E.M. Abd-Elmoniem | M.Z. El-Shinawy | M. Abou-Elsoud

8. LYSIMETRIC ANALYSIS OF CROP WATER CONSUMPTION PATTERNS IN SELECTED VEGETABLES

A.F. Abou-Hadid | A.S. El-Beltagy | M. El-Tantawy | A.M. Eissa

9. IRON-ZINC AND PHOSPHORUS RELATIONSHIP IN THE NUTRITIONAL STATUS OF TOMATO SEEDLINGS GROWN ON SANDY SOILS

A.-S. S. Ismail | A.M. Eissa | A.S. El-Beltagy | A.F. Abou-Hadid

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A.-S. S. Ismail | Ahmed M. Eissa | Ayman F. Abou-Hadid

12. EFFECT OF DIFFERENT NITROGEN RATES ON SOME QUALITY PARAMETERS OF GREENHOUSE TOMATOES

A. Gul | Y. Tuzel | H. Hakerlerler | N. Saatci | D. Anac

13. TEMPERATURE AND FERTILIZER EFFECTS ON TOMATO PRODUCTIVITY

A.M. Abd-Alla | S.M. Adam | A.F. Abou-Hadid | Iman S.S. Benjamien

14. BOWEN RATIO-ENERGY BALANCE ESTIMATES OF EVAPOTRANSPIRATION AND CROP COEFFICIENT FOR TOMATO PLANTS

A.M.R. Abdel-Mawgoud | S.O. El-Abd | A.F. Abou-Hadid | T.C. Hsiao

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O. M.M. Sawan | A.M. Eissa

16. EFFECT OF COMPOSTED MATERIALS ON SOIL PROPERTIES, NUTRITIONAL STATUS AND YIELD OF TOMATOES

A.-S. S. Ismail | Ahmed M. Eissa | A.F. Abou-Hadid

17. COMPARISON OF MICRO-NUTRIENT APPLICATION METHODS FOR CUCUMBER PRODUCTION IN ARID LAND PROTECTED CULTIVATION SYSTEMS

E.M. Soliman

18. CALCULATION OF ACTUAL EVAPOTRANSPIRATION FOR CUCUMBER

A.M. El-Gindy

19. BIOLOGICAL CONTROL OF GUMMY STEM BLIGHT (MYCOSPHAERELLA MELONIS L. PASSERINI) ON CANTALOUPE PLANTS UNDER PROTECTED CULTIVATIONS

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20. PLANT GROWTH REGULATORS EFFECT ON ROOT-ROT INCIDENCE OF SWEET PEPPER GROWN IN GREENHOUSE

M.A. Nofal | M.A.A. El-Naggar | Badeaa R. Ismail

21. EVALUATION OF TOMATO HYBRID FRUIT PRODUCTION AND REACTION TO TOMATO MOSAIC VIRUS INFECTION

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Y. Ashkenazi

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Sung W. Kwon | Pamela L. Sanders | A.H. Markhart III

30. TOMATO PRODUCTION UNDER DIFFERENT TEMPERATURES, IRRIGATION AND PRUNING REGIMES

A.M. Abd-Alla | S.M. Adam | A.F. Abou-Hadid | M.M. Wadid

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A. Benzioni | S. Mendlinger | M. Ventura

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A.M. Youssef | S.A. Gaafer | M.M. Hafez | A.F. Abou-Hadid

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45. MICRO PROPAGATION OF PHYTOLACCA DODECANDRA L’HERIT

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46. ENVIRONMENTAL MODIFICATION OF SEX EXPRESSION IN CUCUMBER PLANTS

Y.I. Helmy | S.M. Singer | S.O. El-Abd | A.F. Abou-Hadid

47. EFFECT OF MINERAL NUTRIENTS AND MEFLUIDIDE TREATMENTS ON CHILLING TOLERANCE OF PEPPER SEEDLINGS

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49. IMPROVING VEGETABLE QUALITY UNDER PROTECTED CULTIVATION IN THE NORTH DELTA OF EGYPT

F. El-Aidy

50. PRODUCTION OF OYSTER MUSHROOM USING SIMPLIFIED TECHNOLOGY

M.H. El-Kattan | Gad E.M. Salama

51. THE POTENTIAL OF HYBRID BREEDING FOR TOLERANCE TO SUB OPTIMUM COLD TEMPERATURES IN MELONS

S. Mendlinger | Y. Ventura | P. Amuyunzu

52. TECHNOLOGY FOR RAPID EXCHANGE OF SCIENTIFIC INFORMATION VIA THE INTERNET

R. Daniel Lineberger

53. PROPAGATION OF POTATO USING TISSUE CULTURE TECHNIQUE

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54. PRODUCTION AND MARKETING OF VEGETABLES IN THE UNITED ARAB EMIRATES WITH REFERENCE TO GREENHOUSE INDUSTRY

Y. Guma | A. A.R. Al-Masoum

55. INTRODUCTION OF THE MOLLUSCICIDAL PLANT PHYTOLACCA DODECANDRA TO EGYPT.

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