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Below is a list of our publications, organised per topic. If you are interested in any of them, please contact us. In due time, most publications will be available as PDFs, and a ordering & payment system will be in place. 

 

A.      Articles on ‘Controlling plant growth’ in the New Zealand Grower
(0)        Improving energy efficiency in greenhouses by crop recording. Nederhoff, Houter & Schreuder, 2006. Grower 61(4): 33-35.
(1)        Controlling plant growth in greenhouses. Houter & Nederhoff (2006). Grower 61(9): 60-61.
(2)        Using greenhouse temperature for plant control. Houter & Nederhoff (2006). Grower 61(10): 49-52.
(3)        Plant balance: ‘vegetative’ or ‘generative’. Houter & Nederhoff (2007). Grower 62(2): 42-44.
(4)        Growers’ experience with CropRecord. Nederhoff & Houter, 2007. Grower 62(3): 28-29.
(5)        Steering plants in generative or vegetative direction. Houter & Nederhoff, 2007. Grower 62(4): 45-46.
(6)        Plant management for generative or vegetative steering. Houter & Nederhoff, 2007. Grower 62(5): 42-44.
(7)        Steering plant balance by irrigation control. Nederhoff & Houter, 2007. Grower 62(10): 49-50.
(8)        Tools for plant balance control prioritised. Nederhoff & Houter, 2007. Grower 62(11): 32-33.
(9)        Information at your fingertips with CropRecord™ and CropAdvice™. Nederhoff & Houter, 2008. Grower 63(2): 38-40.
 
B.      Articles on ‘Energy in greenhouses’ in the New Zealand Grower
(1)        Energy efficiency in greenhouses. Nederhoff, 2003.
(2)        Energy saving measures. Nederhoff, 2003. Grower 58(1): 32-33.
(3)        A flue gas condenser for energy saving. Nederhoff, 2003. Grower 58(2): 42-43.
(4)        Energy-wise installations in greenhouses. Nederhoff 2003. Grower 58(3): 29-32.
(5)        Basic measures to reduce greenhouse heating costs. Nederhoff, 2003. Grower 58(4): 30-31.
(6)        Energy efficiency in greenhouses. Nederhoff, 2003. Grower 58(5): 23-25.
(7)        Thermal screens for energy saving in greenhouses. Nederhoff, 2003. Grower 58(6): 27-29.
(8)        Thermal screens for energy saving and climate control. Nederhoff, 2003. Grower 58(7): 53-54.
(9)        Energy-wise greenhouse control. Nederhoff, 2003. Grower 58(10): 56-57.
(10)     Precision and location of measurements essential for good climate control. Nederhoff, 2003. Grower 58(11): 46-48.
(11)     Energy and CO2 enrichment. Nederhoff, 2004. Grower 59(1): 34-36.
(12)     CO2 enrichment and heat storage. Nederhoff, 2004. Grower 59(2): 31-32.
(13)     ‘Open’ and ‘closed’ buffer systems for heat storage. Nederhoff, 2004. Grower 59(3): 41-42.
(14)     Humidity control. Nederhoff, 2004. Grower 59(4): 48-49. 
(15)     Controlling high humidity. Nederhoff, 2004. Grower 59(5): 46-47.
(16)     Pre-dawn heating, purging and P-band for humidity control. Nederhoff, 2004. Grower 59(7): 36-37.
(17)     Temperature control: ‘dif’, pre-night and other tricks for crop steering. Nederhoff & Schreuder, 2004. Grower 59(8):  54-55.  
(18)     Temperature integration. Nederhoff, 2004. Grower 59(9): 39-40.
(19)     ‘Green Label Greenhouse’ and overseas energy-saving policies. Nederhoff, 2004. Grower 59(10): 38-40.
(20)     Energy-conscious CO2 enrichment. Nederhoff, 2004. Grower 59(11): 51-52.
(21)     Thermal screen test. Nederhoff, 2005. Grower 60(1): 42-44.
(22)     The Barton Soot Collector. Nederhoff, 2005. Grower 60(2): 33-34.
(23)     Insulating hot water pipes. Nederhoff, 2005. Grower 60(3): 44-45.
(24)     Energy loss through leaking greenhouse cladding. Nederhoff, 2005. Grower 60(4): 34-35.  
(25)     Energy saving in the boiler house. Nederhoff, 2005. Grower 60(6): 31-32.
(26)     The costs of carbon tax for greenhouse growers. Nederhoff, 2005. Grower 60(7): 37-38.
(27)     Co-generation or combined heat & power (CHP). Nederhoff, 2005. Grower 60(9): 42-43.
(28)     Energy audits by energy specialist Peter Mos. Nederhoff, 2005. Grower 60(10): 58-59.
(29)     Cost & benefit of energy screen in glasshouse in NZ. Nederhoff & Houter, 2006. Grower 61(1): 38-40.
(30)     Energy tax and CO2 emission rights in the Netherlands. Nederhoff, 2006. Grower 61(2): 36-38.
(31)     Energy-efficient humidity control. Nederhoff & Houter, 2006. Grower 61(3): 46-47.
(32)     Minimum pipe control and pump switching for energy saving. Nederhoff & Houter, 2006. Grower 61(4): 28-29.
(33)     Potential energy saving measures in greenhouses. Nederhoff & Houter, 2006. Grower 61(5): 35-36.
(34)     Energy-wise greenhouse control in winter. Nederhoff & Houter, 2006. Grower 61(6): 32-34.
(35)     Temperature gradients in greenhouses. Nederhoff & Houter, 2006. Grower 61(7): 47-48.
(36)     Measuring temperature gradients in greenhouses. Nederhoff & Houter, 2006. Grower 61(8): 68-69.
(37)     Proper use of fans in greenhouses. Nederhoff & Houter, 2006. Grower 61(9): 46-48.
(38)     ‘Closed Greenhouse’ and ‘Heat-Producing greenhouse’. Nederhoff , 2006. Grower 61(10): 67-69.
(39)     How much energy is involved in CO2 enrichment?  Nederhoff & Houter, 2006. Grower 61(11): 48-51.
(40)     Energy study completed, opportunities assessed. Nederhoff & Houter, 2007. Grower 62(1): 45-48.
(41)     Temperature strategy in greenhouses: some common pitfalls.  Nederhoff & Houter, 2007. Grower 62(6): 34-35.
(42)     Improving humidity control in greenhouses and saving energy. Nederhoff & Houter, 2007. Grower 62(7): 54-56.
 
C.     Series on ‘Light in greenhouses’ in the New Zealand Grower
(1)        Light and radiation in the greenhouse. Nederhoff, 2001. Grower 56(6): 46-48.
(2)        Radiation records. Nederhoff, 2001. Grower 56(7): 57-58.
(3)        Light level never too high. Nederhoff, 2001. Grower 56(9): 34-35.
(4)        How transpiration depends on radiation. Nederhoff, 2001. Grower 56(10): 32-33.
(5)        Irrigation control. Nederhoff, 2001. Grower 56(11): 46-47.
(6)        Supplementary lighting in greenhouses? Nederhoff, 2002. Grower 57(1): 23-24.
(7)        Supplementary lighting in greenhouses – calculations. Nederhoff, 2002. Grower 57(2): 36-37.
(8)        The importance of a clean roof. Nederhoff, 2002. Grower 57(3): 25-26.
 
D.      Series on ‘Pathogen control in soilless cultures’ in the NZ Grower:
(1)        Pathogen control in soilless cultures. Part 1: Reasons for water treatment. Nederhoff, 1999. Commercial Grower 54(9): 39-40.
(2)        Quality of source water. Nederhoff, 1999. Commercial Grower 54(10): 42-43.
(3)        Water volumes to be treated. Nederhoff, 1999.  Commercial Grower  54(11): 20-21.
(4)        Heat treatment for pathogen control. Nederhoff, 2000. Commercial Grower 55(1): 29-30. 
(5)        Sanitation and hygienic husbandry to prevent root diseases. Nederhoff, 2000. Commercial Grower 55(2): 27-28.
(6)        Pythium only successful in stressed plants. Nederhoff, 2000. Commercial Grower 55(6): 41-42.
(7)        UV sterilisation (I). Nederhoff, 2000. Commercial Grower 55(7): 60-62.
(8)        UV sterilisation (II). Nederhoff, 2000. Commercial Grower 55(8): 50-51.
(9)        Hydrogen peroxide: unsuitable for root disease control in hydroponic vegetables. Nederhoff, 2000. Commercial Grower 55(9): 32-34.
(10)     Hydrogen peroxide for cleaning irrigation system. Nederhoff, 2000. Commercial Grower 55(10): 32-34.
(11)     Ozonation. Part I: Techniques. Nederhoff, 2001. Commercial Grower 55(11): 50-52.
(12)     Ozonation. Part II: Dose and contact time. Nederhoff, 2001. Grower 56(1): 41-43.
(13)     Ozonation. Part III: Growers’ experiences. Nederhoff, 2001. Grower 56(2): 45-46.
(14)     Bio-filters and slow-sand-filters. Nederhoff, 2001. Grower 56(3): 35-36.
(15)     Bio-filters and stuff. Nederhoff, 2001, Grower 56(4): 40-41.
(16)     Biological control of root diseases especially with Trichoderma. Nederhoff, 2001. Grower 56(5): 24-25.
(17)     Pythium root rot in greenhouse tomatoes. Nederhoff, 2002. Grower  57(6): 26-29.
 
E.      Series on ‘Soilless cultures’ in the NZ Grower:
(1)        Soilless cultures, part 1. Nederhoff, 1998. New Zealand Commercial Grower 53(4): 26.
(2)        Mineral growing media. Nederhoff, 1998. Commercial Grower 53(5): 14-15.
(3)        Organic growing media. Nederhoff, 1998. Commercial Grower 53(6): 19. 
(4)        How plants feed. Nederhoff, 1998. Commercial Grower 53(8): 18,21.
(5)        Fertilizers and feeds. Nederhoff, 1998. Commercial Grower 53(9): 34-35.
(6)        A recipe for plant feed. Nederhoff, 1999. Commercial Grower 54(1): 22-23.
(7)        The pH in the root-zone. Nederhoff, 1999. Commercial Grower 54(2): 27.
(8)        Controlling the pH. Nederhoff, 1999. Commercial Grower 54(3): 42.
(9)        Micro-elements. Nederhoff, 1999. Commercial Grower 54(4): 24.
(10)     Iron chelates. Nederhoff, 1999.  Commercial Grower 54(5): 37.
 
F.      Series on ‘Humidity in greenhouses’ in the NZ Grower:
(1)        Humidity in greenhouses: you can only try to avoid the extremes. Nederhoff, 1997. Commercial Grower 52(1): 26.
(2)        Humidity: RH and other humidity measures. Nederhoff, 1997. Commercial Grower 52(2): 40.
(3)        High humidity control. Nederhoff, 1997. Commercial Grower 52(3): 25.
(4)        High humidity and plant diseases. Nederhoff, 1997. Commercial Grower 52(4): 18.
(5)        The best method of measuring humidity. Nederhoff, 1997. Commercial Grower 52(5): 18.
(6)        Water, vital to life. Nederhoff, 1997. Commercial Grower 52(7): 29-30.
(7)        Coping with low air humidity. Nederhoff, 1998. Commercial Grower 53(1): 17-18.
 
G.      Series on ‘CO2 enrichment in greenhouses’ in the NZ Grower:
(1)        The A to Z guide for CO2. Nederhoff, 1995. Commercial Grower 50(10): 25-26.
(2)        CO2 for growth. Nederhoff, 1996. Commercial Grower, 51(1): 22-24.
(3)        How crops respond to CO2 enrichment. Nederhoff, 1996. Commercial Grower 51(3): 22.
(4)        CO2 enrichment in tomatoes. Nederhoff, 1996. Commercial Grower 51(4): 22-23.
(5)        CO2 from burning fuel. Nederhoff, 1996. Commercial Grower 51(5): 21.
(6)        CO2 from the central burner. Nederhoff, 1996. Commercial Grower 51(6): 20-22.
(7)        Enrichment with pure CO2. Nederhoff, 1996. Commercial Grower 51(7): 36-37.
 
H.      Miscellaneous articles in the Grower
‘Future proofing’ the NZ greenhouse (tomato) industry. Nederhoff, 2007. Grower 62(9): 36.
Planning labour in greenhouse horticulture – picking tomatoes. Nederhoff, 2002. Grower 57(5): 37-39.
Labour planning for growing tomatoes: planting and plant management. Nederhoff, 2002. Grower 57(8): 35-36.
Labour planning for year-round tomatoes. Nederhoff, 2002. Grower 57(10): 31-32.
Capsicum, a crop of excellent prospects. Nederhoff, 1997. Commercial Grower 52(8):19-22.
Plant health of greenhouse Capsicums. Nederhoff, 1997. Commercial Grower 52(9): 21-22.
Blossom end rot in tomato and its susceptibility to air humidity. Nederhoff, 1995. Commercial Grower 50(8): 19-20.
Energy saving in greenhouses. Conference presentation by Elly Nederhoff. Nederhoff, 2005. Grower 60(8): 69-70.
Carbon Tax – threat or an opportunity for change? Conference presentation by Chris Plackett, FEC Services Ltd, UK.  Summary by Elly Nederhoff, 2005. Grower 60(8): 67-68.
CO2 tax: how it may affect the greenhouse industry. Nederhoff, 2002. Grower 57(5): 22-23.
 
I.     Articles in other magazines than the Grower
Basic solutions for keeping root diseases under control. Nederhoff & Houter, 2007. FlowerTech 10(7): 27-29.
Improving energy efficiency in greenhouses in mild-winter climates. Nederhoff & Houter, 2007. Fruit&VegTech 7(5): 18-20.
Improving energy efficiency in greenhouses. Nederhoff & Houter, 2007. FlowerTech 10(5): 18-19.
Five years on: the greenhouse industry down-under. Nederhoff, 2005. Fruit&VegTech 5(5): 18-19.
Carbon dioxide enrichment and risks of noxious gases. Part 2. Nederhoff, 2004. Practical hydroponics & Greenhouses (Sept/Oct) 78: 46-55.
Carbon dioxide enrichment: fuels and figures. Nederhoff, 2004. Practical hydroponics & Greenhouses (May/June) 76: 50-59.
Glasshouses powered by volcanic energy. Nederhoff, 2003. Fruit&VegTech 3(6): 6-9.
Scaling-up greenhouses in New Zealand. Nederhoff, 2003. Fruit&VegTech 3(2): 18-21.
Getting the best from your water. Nederhoff, 2002. Fruit&VegTech 2(1): 18-20.
Getting the best from your water. Nederhoff, 2002. FlowerTech 5(2): 22-25.
Where do pathogens come from? Nederhoff, 2001. Fruit&VegTech 1(1): 17-19.
Getting heat into the greenhouse. Nederhoff, 2002. FlowerTech 5(1): 18-21.
Managing sweet peppers. Nederhoff, 2002. Fruit&VegTech 2(4): 27-29.
Getting started with sweet peppers. Nederhoff, 2002. Fruit&VegTech 2(3): 7-9.
Calculating the value of CO2 enrichment. Nederhoff, 2000.  FlowerTech 3(7): 22-25.
Using flue gases for CO2 enrichment. Nederhoff, 2001. FlowerTech 4(3): 28-31.
Controlling high humidity in the greenhouse. Nederhoff, 2001. FlowerTech 4(1): 13-15.
Commercial greenhouse growing in the Netherlands. Nederhoff, 2001. Growing Edge 12(4): 30-43.
Enrichment of carbon dioxide increases yield. Nederhoff, 2001. Horticulture News 23(1): 18.
CO2 ensures healthy plant life. Nederhoff, 2001. Horticulture News 23(2): 13.
Dutch feel squeeze. Nederhoff, 2001. Horticulture News 23(2): 12.
Dutch gullies give year-round crops. Nederhoff, 2001. Horticulture News 23(4): 10.
Keeping water clean. Nederhoff, 2001. Horticulture News 23(5): 9.
Greenhouse climate control. Nederhoff, 2001. Flowers New Zealand  10(9): 16-17.
 
J.      Technical Leaflets (published by Vegfed, Wellington)
(1)        Preventing root diseases in soilless cultures, Nederhoff, 2001, Technical Leaflet 1, Vegfed, 4 p.
(2)        Biological balance and best practices in soilless cultures. Nederhoff, 2001, Technical Leaflet 2, Vegfed, 4 p.
(3)        Quality and quantity of water for soilless cultures, Nederhoff, 2001. Technical Leaflet 3, Vegfed, 4 p.
(4)        Ultra Violet (UV) treatment for water disinfection. Nederhoff, 2001. Technical Leaflet 4. Vegfed, 4 p.
(5)        Ozone treatment for water disinfection. Nederhoff, 2002. Technical Leaflet 5. Vegfed, 4 p.
(6)        Slow sand filters or ‘biofilters’ for water disinfection. Nederhoff, 2002. Technical Leaflet 6. Vegfed, 4 p.
(7)        Keeping Pepino Mosaic Virus at bay – hygiene protocol for greenhouse tomatoes. Nederhoff, 2002. Technical Leaflet 7. Vegfed, 8 p.
(8)        Sterilsation or heat treatment for pathogen control. Nederhoff, 2002. Technical Leaflet 8. Vegfed, 4 p.
(9)        Hydrogen peroxide – use in soilless cultures. Nederhoff, 2002. Technical Leaflet 9. Vegfed, 2 p.
(10)     Sanitation –disinfecting the greenhouse and irrigation systems. Nederhoff, 2003. Technical Leaflet 10. Vegfed, 2 p.
 
K.    Some reports (only recent and only non-confidential)
Energy in greenhouses - Observations in winter 2004. Nederhoff, 2004. Report 12 of SFF project SFF03/158. ‘Improving Energy Efficiency in Greenhouse Vegetable Production’. 23 pages.
Energy in greenhouses - photo report. Nederhoff, 2005. Report 13 of SFF project SFF03/158. 34 pages.
Energy screens in glasshouses in NZ: effectiveness, economics and optimal use. Nederhoff & Houter, 2006. Energy in greenhouses, report 15 of SFF project SFF03/158. 24 pages.
Differences in climate and in energy use in glasshouses in Auckland and Christchurch. Nederhoff & Houter, 2006. Energy in greenhouses, report 16 of SFF project SFF03/158. 9 pages.
Energy use in greenhouses for CO2 enrichment and humidity control. Energy in greenhouses, report 17 of SFF project SFF03/158. 23 pages.
Energy in greenhouses, report 18. Final report on project SFF03/158 ‘Improving Energy Efficiency in Greenhouse Vegetable Production’. Nederhoff & Houter, 2006. 31 pages.
 
L.      Brochures, book chapters
What’s new in greenhouse land? Advances in greenhouse management and water & nutrient control. Nederhoff, 2000. Grower’s Worldscene, Vegfed, Wellington, 12 pages.
’Light in greenhouses’ (in Dutch). Nederhoff (editor and main author), 1985. Brochure No. 90, PBG, Naaldwijk, the Netherlands, 82 pages.
‘CO2 in greenhouses’ (in Dutch). Brochure No. 85, PBG, Naaldwijk, the Netherlands, 1988. 56 pages.
‘Carbon dioxide balance’; ‘Techniques of CO2 enrichment’; ‘CO2 control’. Nederhoff, 1995. Three chapters in book: Greenhouse climate control: an integrated approach. Bakker et al. (Eds). 1995, Wageningen Press, 280 p.
Numerous internal reports and client reports (some confidential) in the Netherlands and New Zealand.
 
M.     SCIENTIFIC PUBLICATIONS
Photosynthesis of stands of tomato, cucumber and sweet pepper measured in greenhouses under various CO2 concentrations. Nederhoff & Vegter, 1994. Annals of Botany 73: 353-361.
Canopy photosynthesis of tomato, cucumber and sweet pepper in greenhouse: measurements compared to models. Nederhoff & Vegter, 1994. Annals of Botany 73: 421-427.
Effects of CO2 on leaf conductance and canopy transpiration of greenhouse grown cucumber and tomato. Nederhoff & de Graaf, 1993. Journal of Horticultural Science 68: 925-937.
Leaf conductance and rate of crop transpiration of greenhouse grown sweet pepper (Capsicum annuum L.) as affected by carbon dioxide. Nederhoff, Rijsdijk & Graaf, 1992.  Scientia Horticulturae 52: 283-301.
Effects of CO2 on greenhouse grown eggplant (Solanum melongena). Nederhoff, 1992. Journal of Horticultural Science 67: 795-803.
Effects of CO2 on greenhouse grown eggplant (Solanum melongena L.). II: Leaf tip chlorosis and fruit production. Nederhoff & Buitelaar, 1992. Journal of Horticultural Science 67: 805-812.
Leaf deformation and fruit productions of glasshouse grown tomato (Lycopersicon esculentum L.) as affected by CO2, plant density and pruning. Nederhoff, de Koning & Rijsdijk, 1992. Journal of Horticultural Science 67: 411-420.
Effects of continuous and intermittent carbon dioxide enrichment on fruit set and yield of sweet pepper (Capsicum annuum L.). Nederhoff & van Uffelen, 1988. Netherlands Journal of Agricultural Science 36: 209-217.
Measurement and simulation of crop photosynthesis of cucumber (Cucumis sativus L.) in greenhouses. Nederhoff, Gijzen & Vegter, 1988. Netherlands Journal of Agricultural Science 36: 253-264.
A practical tracer gas method to determine ventilation in greenhouses. Nederhoff, van de Vooren & Udink ten Cate, 1985. Journal of Agricultural Engineering Research 31: 309-319.


In Acta Horticulturae:
Effects of different day / night conductivities on blossom-end rot, quality and production of greenhouse tomatoes. Nederhoff, 1999. Acta Horticulturae 481 (II): 495-502.
Simulation of greenhouse crop photosynthesis: validation with cucumber, sweet pepper and tomato. Gijzen, Vegter & Nederhoff, 1990. Acta Horticulturae 268: 71-80.
Dynamic model for greenhouse crop photosynthesis: validation by measurements and application for CO2 optimization. Nederhoff, Gijzen, Vegter & Rijsdijk, 1989. Acta Horticulturae. 260: 137-147.
Technical aspects, management and control of CO2 enrichment in greenhouses. Nederhoff, 1990. Acta Horticulturae 268: 127-138.
Dynamic optimization of CO2 concentration in greenhouses: an experiment with cucumber. Nederhoff, 1988. Acta Horticulturae  229: 341-348.
Greenhouse climate control in the nineties. Challa, Nederhoff, Bot & van de Braak, 1988. Acta Horticulturae 230: 459-470.
Simulation of CO2 consumption in greenhouses. Houter, Gijzen, Nederhoff & Vermeulen, 1988, Acta Horticulturae 248: 315-320.
 
N.     PhD Thesis
Effects of CO2 concentration on photosynthesis, transpiration and production of greenhouse fruit vegetable crops. Nederhoff, 1994. Agricultural University, Wageningen, Netherlands, 214 pages.
   
Revised March 2008