 | FOREWORD (Th.H. Gieling, K. Schurer) |
| WATER STATUS MONITORING IN GREENHOUSE CROPS (A. Baille) |
| HORTICULTURAL SENSING BY PHOTOACOUSTICS AND THERMAL LENSING (D. Bicanic, P. Torfs, M. Lubbers, A. Tam) |
| GREENHOUSE GROWING: OUTLOOK 2000 (G.P.A. Bot) |
| APPLICATION OF COMPUTERVISION SYSTEMS IN HORTICULTURE (G.R. Hack) |
| SENSOR DEVELOPMENTS IN ANIMAL PRODUCTION (W. Rossing) |
| CHLOROPHYLL FLUORESCENCE: A NON-DESTRUCTIVE METHOD FOR DETECTING DAMAGE IN THE PHOTOSYNTHETIC APPARATUS IN PLANTS (A.H.C.M. Schapendonk, W.J.M. Tonk, P.E.L. van der Putten, O. Dolstra, S.R. Haalstra) |
| BIOSENSORS (F. Schubert, F. Scheller) |
| SENSORS GALORE (K. Schurer) |
| NON-CONTACT TEMPERATURE MEASUREMENT (O. Struβ) |
| SENSORS IN CONTROLLED ENVIRONMENT AGRICULTURE (CEA): MEASURING GROWTH AND DEVELOPMENT (T. Takakura) |
| NMR IN HORTICULTURE: IN SITU PLANT WATER BALANCE STUDIES WITH NMR (H. Van As) |
| ION-SENSITIVE FIELD EFFECT TRANSISTORS (H.H. van den Vlekkert) |
| AN OPTICAL LEAF WETNESS SENSOR (H. Griffioen, J.G. Kornet, K. Schurer) |
| AUTOMATED INSPECTION OF PLANTS (J. Hirvonen, J. Hämäläinen, K. Murmann) |
| ON LINE CO2 ANALYSIS FOR THE DETERMINATION OF COLD TOLERANCE IN GREENHOUSE PLANTS USING A TEMPERATURE CONTROLLED LEAF CHAMBER (H. Huygens, P. Vandecasteele) |
| ENVIRONMENTAL CONTROL AND OPERATION MONITORING IN A PLANT FACTORY USING ARTIFICIAL LIGHT (A. Ikeda, Y. Tanimura, K. Ezaki, Y. Kawai, S. Nakayama, K. Iwao, H. Kageyama) |
| COLOUR CHARACTERIZATION OF GOLDEN DELICIOUS APPLES USING DIGITAL IMAGE PROCESSING (E. Schrevens, L. Raeymaeckers) |
| ESTIMATION OF THE RELATIVE OPENING OF THE LEAF STOMATA USING ENERGY BALANCES (H.-J. Tantau) |
| PLANT MONITORING BY MACHINE VISION (Bent S. Bennedsen) |
| IN SITU PLANT WEIGHT MEASUREMENT OF TOMATO WITH AN ELECTRONIC FORCE GAUGE (A.N.M. de Koning, J.C. Bakker) |
| USING COMPUTER VISION FOR PUTTING FLOWER BULBS UPRIGHT (R.A. Langers) |
| SOME COMPARATIVE RESULTS ON EVAPOTRANSPIRATION OF GREENHOUSE ORNAMENTAL CROPS, USING LYSIMETER, GREENHOUSE H2O BALANCE AND LVDT SENSORS (M. Baille, J.C. Laury, A. Baille) |
| WATER CONTENT MEASUREMENTS IN SOIL AND ROCKWOOL SUBSTRATES: DIELECTRIC SENSORS FOR AUTOMATIC IN SITU MEASUREMENTS (M.A. Hilhorst, J. Groenwold, J.F. de Groot) |
| USE OF AN OFF-THE-SHELF ELECTRONIC BALANCE FOR MONITORING CROP TRANSPIRATION IN GREENHOUSES (W. Meurs, C. Stanghellini) |
| ON-LINE MATRIC POTENTIAL SENSORS FOR IRRIGATION CONTROL IN PEAT-BASED SOILLESS MEDIA (A.P. Papadopoulos, M.E.D. Graham, B. Anctil) |
| STEM SAP FLOW, MEASURED USING PROTON NUCLEAR MAGNETIC RESONANCE, IN COMPARISON WITH TRANSPIRATION AND WATER UPTAKE OF CUCUMBER IN A GREENHOUSE CLIMATE (P.A.C.M. van de Sanden, J.E.A. Reinders, P.A. de Jager, H. van As) |
| THERMAL CONDUCTIVITY AS A MEASURE OF MOISTURE CONTENT OF INERT SUBSTRATES (E. Schrevens, J. De Baerdemaeker, F. Vervaeke, K.U. Leuven, W. de Croylaan) |
| MEASUREMENT OF WATER CONTENT IN SOLID MEDIA USING OF POROUS ALUMINA SENSORS (H. Wakoh, T. Hirano) |
| SENSORS FOR IRRIGATION SCHEDULING OF CULTURES IN THE FIELD (C. Werkhoven) |
| MICROMETRIC MEASUREMENT OF STEM DIAMETER CHANGES AS A MEANS TO DETECT NUTRITIONAL STRESS OF TOMATO PLANTS (R. Brun, J.P. Tournier) |
| EVALUATION OF THE PERFORMANCE OF ION-SELECTIVE ELECTRODES IN AN AUTOMATED NFT SYSTEM (M. Heinen, K. Harmanny) |
| CONTROL OF THE COMPOSITION OF THE NUTRIENT SOLUTION IN AN AUTOMATED NFT SYSTEM: A SIMULATION STUDY (M. Heinen) |
| DIURNAL CHANGES IN THE ION CONCENTRATION OF THE SUPPLY AND RETURN WATER OF A TOMATO CROP GROWN ON ROCKWOOL (G. Kupers, J. van Gaalen, Th.H. Gieling, E.A. van Os) |
| SENSOR FOR ION-CONTROL - AN APPROACH TO CONTROL OF NUTRIENT SOLUTION IN HYDROPONICS - (T. Morimoto, H. Nishina, Y. Hashimoto, H. Watake) |
| APPLICATION OF ISFETS IN CLOSED-LOOP SYSTEMS FOR HORTICULTURE (H.H. van den Vlekkert, J.P.M. Kouwenhoven, A.A.M. van Wingerden) |
| IMAGE PROCESSING APPLIED TO NURSERY STOCK SORTING (G.M. COULON, P. CHEVALIER) |
| OUTDOOR RELATIVE HUMIDITY ESTIMATION (G.M. Coulon, S. Ballas) |
| SYSTEM FOR MEASUREMENT OF CO2 AND PHOTOSYNTHESIS IN GROWTH CHAMBERS (O. Haga, L. Mortensen) |
| SENSING STRUCTURE IN CROP AND SOIL (W. Day) |
| STUDIES ON NON-DESTRUCTIVE AND CONTINUOUS MEASUREMENT OF WATER CONTENTS AND APPLICATIONS TO IRRIGATION IN CROP CULTURE (H. Moriya, K. Iwao, H. Kageyama) |
| ON-LINE ACQUISITION OF TRANSPIRATION AS A BASIS FOR ECOLOGICAL PROCESS CONTROL IN GREENHOUSES (U. Schmidt) |
| SENSORS IN RECIRCULATING NUTRIENT SOLUTION SYSTEMS (B. Vestergard) |
