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Articles

TIME-DOMAIN REFLECTOMETRY AND TENSIOMETERS FOR DETECTING SOIL MOISTURE CONTENT

Article number

335_60

Pages

491 – 496

Language

Abstract

The application of growth models requires that more data are available about crops.
IMAG applies sensors and, if necessary, develops them.
A computer-controlled TDR system is described for automatic measurements of 30 sensors.

Measurements have been carried out with tensiometers and TDR in pot plants and grassland.

The TDR measurements give good results; the TDR signal is stored and can be examined later.
Calibration in the soil is necessary if accurate reading is needed.
The results of the measurements as a basis for irrigation of the field to be started.

Publication

International Symposium on Irrigation of Horticultural Crops

Authors

C. Werkhoven

Keywords

Soil moisture content, Humidity of soil, TDR, Dielectric constant

Full text

https://doi.org/10.17660/ActaHortic.1993.335.60

Online Articles (71)

2. IRRIGATION IN THE SPANISH NATIONAL HYDROLOGICAL PLAN

A. García

3. GROUND WATER CONTAMINATION CONCERNS IN HORTICULTURAL PRODUCTION SYSTEMS

K.K. Tanji

4. HYDROGEOLOGICAL SURVEYS AND CONSIDERATION OF THE ENVIROMENTAL IMPACT OF INTENSIVE AGRICULTURE IN THE “CAMPO DE DALIAS” (ALMERIA, SPAIN).

P. Domínguez | A. González

5. SWEET CORN RESPONSE TO COMBINED EFFECTS OF SALINE WATER AND NITROGEN FERTILIZATION

J. Beltrão | J. Ben Asher | D. Magnusson

6. LOSSES OF NITRATE FROM A SANDY LOAM SOIL UNDER CORN: LYSIMETER EXPERIMENT.

7. FERTIGATION AND CONTROLLED STRIP COVER BY WEEDS IN IP APPLE ORCHARDS

R. Hornig | G. Bünemann

8. STUDY OF WATER INFILTRATION IN THE SOIL UNDER DIFFERENT TILLAGE SYSTEMS.

F. Pelegrin | F. Moreno

9. NITROGEN NET MINERALIZATION UNDER FIELD CONDITIONS IN AN IRRIGATED SOIL.

R. Llorca | I. Bautista | J. Oliver | G. Cruz-Romero

10. WATER MANAGEMENT FOR THE GREENING OF KUWAIT

Mahdi S. Abdal | A. Qallaf

11. TOMATO CULTURE FERTIGATION IN PEAT BAGS AND SALINE CONDITIONS

12. EFFECTS OF DRIP APPLIED WATER LEVEL ON LEACHED NITROGEN AND WATER USE OF GREENHOUSE SQUASH

A. Gallego | J.C. López-Hernández | J. López-Gálvez | N. Castilla

13. EFFECT OF BEET VINASSE ON RADISH SEEDLING EMERGENCE AND FRESH WEIGHT PRODUCTION

R. López | F. Cabrera | J.M. Murillo

14. THE INFLUENCE OF FERTILIZED IRRIGATION WITH BRACKISH WATER ON THE NUMBER OF FRUITS PRODUCED BY SOLANUM MELONGENA L.

I. López-Cantarero | A. del Rio | A. Sánchez | L. Romero | J.L. Valenzuela

15. GROWTH, YIELD AND QUALITY OF TOMATO CV. MUCHAMIEL UNDER SALINE IRRIGATION

J. Navarro-Pedreño | I. Gómez | J. Mataix

16. GROWTH AND PRODUCTIVITY OF CROPS IN RELATION TO WATER STATUS

T. C. Hsiao

17. RESPONSE OF PROCESSING TOMATO TO THREE DIFFERENT LEVELS OF WATER AND NITROGEN APPLICATIONS

J.J. Baselga Yrisarry | M.H. Prieto Losada | A. Rodríguez del Rincón

18. WATER STATUS OF OLIVE TREES UNDER DRY-FARMING AND DRIP-IRRIGATION

J.E. Fernández | F. Moreno | J. Martín-Aranda

19. EFFECTS OF WATER STRESS AT DIFFERENT GROWTH STAGES ON PEPPER YIELD

N. KATERJI | M. MASTRORILLI | A. HAMDY

20. AN EVALUATION OF HYDRAULIC VS. NON-HYDRAULIC ROOT SIGNALS CONTROLLING SHOOT RESPONSE TO SOIL WATER DEFICITS IN CUCUMBER

J. Melkonian | D.W. Wolfe

21. WATER RELATIONS IN SUB-IRRIGATED PEACH TREES

P. Rossi Pisa | F. Ventura

22. DIURNAL CHANGES IN STEM DIAMETER AND PLANT WATER CONTENT IN PEACH TREES.

T. Simonneau | R. Habib | J.-P. Goutouly | J.-G Huguet | A. Lecomte

23. EFFECT OF WATER STRESS ON CANOPY ARCHITECTURE OF CAPSICUM ANNUUM L.

C. Giulivo | A. Pitacco

24. REGULATED DEFICIT IRRIGATION ON FINO LEMON TREES

A. Torrecillas | M.C. Ruiz-Sánchez | J. Hernández-Borroto | R. Domingo

25. GAS EXCHANGE CHARACTERISTICS AND WATER RELATIONS OF KIWIFRUIT VINES DURING DROUGHT CYCLES

R. Gucci | R. Massai | D. Piccotino | C. Xiloyannis

26. LEAF WATER POTENTIAL AND CWSI OF SWEET SORGHUM IN RELATION TO THE AVAILABLE SOIL MOISTURE

R. Stricevic | V. Pocuca | R. Cvetkovic | N. Jovanovic

27. PHOTOSYNTHESIS, PLANT GROWTH AND CARBON ALLOCATION IN KIWI, CV HAYWARD, AS INFLUENCED BY WATER DEFICITS

K. Chartzoulakis | B. Noitsakis | I. Therios

28. THE EFFECT OF DIFFERENT IRRIGATION RATES ON KIWIFRUIT GROWTH AND CROPPING

M. Ciordia | M.B. Díaz | M. Coque | J. Gómez Aparisi

29. CHLOROPHYLL FLUORESCENCE FOR WATER DEFICIT DETECTION IN HORTICULTURAL CROPS?

Janet E. Corlett | R. Choudhary

30. WATER RESPONSE OF TOMATO IN PRESENCE OF “CORKY ROOT” (PYRENOCHAETA LYCOPERSICI SCHNEIDER ET GERLACH) IN SOUTHERN ITALY

A. D'Amato | E. Lahoz | I. Giordano | A. Pentangelo

31. DIURNAL CHANGES IN GAS EXCHANGE AND WATER RELATIONS IN FIELD GROWN GRAPE VINES

A. Patakas

32. EFFECT OF IRRIGATION REGIMES ON YIELD AND FRUIT COMPOSITION OF PROCESSING PEPPER (CAPSICUM ANNUUM L.)

M. Pellitero | A. Pardo | A. Simón | Ma. L. Suso | A. Cerrolaza

33. MORPHO-PHYSIOLOGICAL RESPONSE OF TWO BROCCOLI CULTIVARS TO DIFFERENT IRRIGATION REGIMES

M. Perniola | A.R. Rivelli | E. Tarantino

34. DIFFERENCES AMONG SEEDLING PEACH CLONES IN STOMATAL RESPONSE UNDER GREENHOUSE CONDITIONS

A. Rumayor-Rodríguez | J. Zegbe-Domínguez

35. A COMPARATIVE STUDY OF THE RESPONSES OF THREE AMENITY TREE SPECIES TO DIFFERING WATER SUPPLY DURING ESTABLISHMENT

D.M. Travers | C.R. Ireland

36. NEW APPROACHES TO ESTIMATING CROP EVAPOTRANSPIRATION

R. G. Allen

37. EVAPOTRANSPIRATION IN GREENHOUSES WITH SPECIAL REFERENCE TO MEDITERRANEAN CONDITIONS

C. Stanghellini

38. NEW TECHNOLOGIES IN THE MANAGEMENT OF MICROIRRIGATION SYSTEMS

Fedro S. Zazueta

39. RESPONSE OF YOUNG CLEMENTINE CITRUS TREES TO DRIP IRRIGATION

Juan R. Castel

40. PREDICTING ACTUAL EVAPOTRANSPIRATION: APPLICATION TO A TOMATO FIELD CROP

M.I. Ferreira | L.S. Pereira

41. AN ALTERNATIVE WAY FOR C.W.S.I. CALCULATION TO IMPROVE RELATIVE EVAPOTRANSPIRATION ESTIMATES-RESULTS OF AN EXPERIMENT OVER SOYBEAN-

B. ITIER | D. FLURA | K. BELABBES

42. EVAPOTRANSPIRATION AND CROP COEFFICIENTS IN BANANA

J.L. SANTANA | C.L. SUAREZ | E. FERERES

43. WATER CONSUMPTION AND OPTIMIZATION OF THE IRRIGATION IN ORCHARDS.

44. COMPARISON OF WATER STRESS INDICATORS FOR SOYBEAN

M. Mastrorilli | N. Losavio | G. Rana | N. Katerji

45. WATER USE REQUIREMENTS OF MANZANILLO OLIVES AND RESPONSES TO SUSTAINED DEFICIT IRRIGATION

D.A. Goldhamer | J. Dunai | L. Ferguson

46. WATER SHORTAGE SENSING THROUGH INFRARED CANOPY TEMPERATURE: TIMELY DETECTION IS IMPERATIVE¹

F. De Lorenzi | C. Stanghellini | A. Pitacco

47. GRENNHOUSE TOMATO CROP TRANSPIRATION MODEL APPLICATION TO IRRIGATION CONTROL.

T. Boulard | R. Jemaa

48. PHYSIOLOGICAL, GROWTH AND YIELD RESPONSES OF ALMOND (PRUNUS DULCIS L.) TO DIFFERENT IRRIGATION REGIMES.

J. Girona | J. Marsal | M. Cohen | M. Mata | C. Miravete

49. USE OF THE CROP WATER STRESS INDEX (CWSI) TO EVALUATE THE EFFECTS OF WATER TABLE DEPTH ON POTATO

S. Anconelli | P. Mannini

50. EFFECTS OF WATER TABLE ON POTATO CROP GROWTH AND YIELD

A. Battilani | P. Mannini

51. GROWING PEPPERS IN SUBSTRATES IN THE SOUTH EAST OF SPAIN

I. Jiménez

52. WATER BALANCE IN GREENHOUSES UNDER POLIETHYLENE COVER: FIRST RESULTS FOR GALICIA (NW SPAIN).

M.E. LOPEZ MOSQUERA | A.M. MARTINEZ CORTIZAS

53. IRRIGATION MANAGEMENT IN PERLITE

P. Lorenzo | E. Medrano | M. García

54. THE USE OF FINE GRADED PERLITES IN BAG CULTURE II. YIELD AND WATER CONSUMPTION OF LETTUCE.

L. Serrano | R. Orozco | A. Martinez | O. Marfà

55. A METHOD OF ESTABLISHING OPTIMAL ENDOGENOUS N, FE AND MN LEVELS IN TOMATO AND CUCUMBER

J.L. Valenzuela | A. del Río | I. López-Cantarero | A. Sánchez | L. Romero

56. DRIP IRRIGATION IN LOIRE VALLEY ORCHARDS (FRANCE): ADVANTAGES AND LIMITS

J.-P. COINTEPAS

57. COMPARISON BETWEEN CONTINUOUS AND SURGE FLOW IRRIGATION IN BORDERS AND FURROWS (SEGRE BASIN, SPAIN)

J. Monserrat | J. Vilaró | J. Casalí | J. Barragán

58. ESTIMATION OF YIELD RESPONSES TO OPERATION ALTERNATIVES IN SMALL DRIP IRRIGATION SYSTEMS

59. OVERHEAD MICROSPRINKLING IRRIGATION FOR COLD PROTECTION OF APPLE AND PEAR TREES

F. Solanelles | S. Planas

60. CANOPY TEMPERATURE CONTROLLED IRRIGATION

D.F. Wanjura | D.R. Upchurch | J.R. Mahan

61. TIME-DOMAIN REFLECTOMETRY AND TENSIOMETERS FOR DETECTING SOIL MOISTURE CONTENT

C. Werkhoven

62. INFILTRATION UNDER SURGE FURROW IRRIGATION

E. Camacho | J. Roldán | M. Alcaide

63. METHOD AND TECHNIQUE OF IRRIGATION IN RELATION TO ROOT SYSTEM CHARACTERISTICS IN FRUIT GROWING.¹

C. Xiloyannis | R. Massai | D. Piccotino | G. Baroni | M. Bovo

64. AN ALTERNATIVE FOR LOCALIZED IRRIGATION: IRRIGATION BY MEANS OF THE GEOTEXTILE HOSE

M.R. de la Concha

65. EVAPOTRANSPIRATION AND PRELIMINARY CROP COEFFICIENT OF GERBERA SOILLESS CULTURE GROWN IN PLASTIC GREENHOUSE.

E. Maloupa | A. Papadopoulos | S. Bladenopoulou

66. THE INFLUENCE OF SOIL MOISTURE ON THE VEGETATIVE AND REPRODUCTIVE GROWTH OF ORANGE TREES UNDER TROPICAL CONDITIONS

R. Pire | D. Bautista | E. Rojas

67. VALIDITY CRITERIA OF WATER BALANCE ON TERRITORIAL SCALE

F. Bigaran | G. Toller | P. Pisa | C. Agnolin

68. MOISTURE STRESS TO MAXIMIZE PROCESSING TOMATO YIELD AND FRUIT QUALITY

D.M. May

69. SPECIAL CHARACTERISTICS OF THE “ENARENADO ALMERIENSE” FOR THE DEVELOPMENT OF A SOIL WATER BALANCE SUBROUTINE; A DYNAMIC SIMULATION APPROACH.

E.J. Fernández-Rodríguez

70. SOIL AND PLANT NUTRIENT MODIFICATIONS IN RESPONSE TO IRRIGATION WITH CO₂ ENRICHED WATER ON TOMATO

R. d'Andria | V. Magliulo | A. Maggio | G. Basile | M. Arienzo

71. DRIP IRRIGATION TECHNOLOGY TRANSFER FOR THE GREENHOUSE INDUSTRY IN ALMERIA (SPAIN)

J. López-Gálvez | N. Castilla | F. Orgaz | E. Fereres