[1] Papadopoulos, A. (1999) Introduction to the greenhouse vegetable industry.
[2] Ontario Greenhouse Vegetable Producers Marketing Board, cited in The Packer, March 29, 1999 special supplement on Greenhouse Vegetable Shipping. P. C4. Continued interest in category prompts growth. Article by Greg Johnson
[3] Johnson, G. Burgeoning sales inspire dreams of growth. Special Supplement on Greenhouse Vegetables to The Packer March 29, 1999. P. C9.
[4] Jensen, MJ. and A.J. Malter. (1995) Protected Agriculture A Global Review. World Bank Technical Paper Number 253.The World Bank, Washington, DC.
[5] Hickman, G.W. 1998. Commercial Greenhouse Vegetable Handbook. Publication 21575 University of California, Oakland, California. 24 p.
[6] Jensen, MJ. And A.J. Malter. (1995) Protected Agriculture A Global Review. World Bank Technical Paper Number 253.The World Bank, Washington, DC. p 86.
[7] Johnson, G. (1999) Shortage of workers hinders quick expansion by industry. The Packer. March 29, 1999. Supplement on Greenhouse Vegetable, page C7.
[8] Hickman, G.W. 1998. Commercial Greenhouse Vegetable Handbook. Publication 21575 University of California, Oakland, California. 24 p.
[9] Jensen, MJ. And A.J. Malter. (1995) Protected Agriculture A Global Review. World Bank Technical Paper Number 253.The World Bank, Washington, DC.
[10] Anonymous (1995) Kwantitatieve informatie voor de glastuinbouw 1995-1996. Iformatie en Kennis Centrum Landbouw, Afdeling Glasgroente en Bloemisterij, Aslsmeer/Naaldwijk.
[11] Jensen, MJ. And A.J. Malter. (1995) Protected Agriculture A Global Review. World Bank Technical Paper Number 253.The World Bank, Washington, DC. P. 86.
[12] Toms, B and MacPhail, B (1991) Greenhouse tomato/cucumber trials. Nova Scotia Greenhouse Newsletter No. 3, Plant Ind. Branch, Nova Scotia Dept. of Agric, Truro.
[14] Brentlinger, D. 1992. Tomatoes in Perlite A simplified hydroponic system. American Vegetable Grower February 1992. P50-51.
[15] Hochmuth, G.J, R.C. Hochmuth and W.T.Carte. (1991) Preliminary evaluation of production media systems for greenhouse tomatoes in Florida. Extension report Suwannee Valley AREC 91-17.
[24] Hand, D.W. 1988. Effects of atmospheric humidity on greenhouse crops. Acta Horticulturae 229, Energy Saving in protected Cultivation.
[25] Bakker, JC (1990) Effects of day and night humidity on yield and fruit quality of glasshouse tomatoes (Lycoperscon esculentum Mill.) Journal of Horticultural Science 65,323-331.
[27] Seginer, I., D.H. Willits, M. Raviv and M.M. Peet. 1997. Transpirational cooling of greenhouse crops. 1st Annual Report to the U.S.-Israel Binational Agricultural Research and Development Fund, BARD Project No.IS-2538-95R.
[28] Jensen, MJ. And A.J. Malter. (1995) Protected Agriculture A Global Review. World Bank Technical Paper Number 253.The World Bank, Washington, DC.
[29] Servaas Kamerling, talk given at the North Carolina Greenhouse Vegetable Growers Meeting, Albemarle, NC, October 24, 1995.
[30] Willits, D. H. and M. M. Peet. 1989. Predicting yield responses to different greenhouse CO2 enrichment schemes: cucumbers and tomatoes. Agricultural and Forest Meteorology 44:275-293.
[31] Willits, D.H. and M. M. Peet. 1993. The effect of evaporative cooling on the efficiency of external greenhouse shade cloths. Paper No. 93-4042. ASAE Meeting Presentation, Spokane, Washington, 20-23 June 1993. 13 p
[32] Hochmuth, R.C., L.L. Leon and G.J. Hochmuth. (1997) Evaluation of several greenhouse cluster and beefsteak tomato cultivars in Florida. Extension Report Suwannee Valley REC 97-3. Suwannee Valley Research and Education Center. Live Oak, FL.
[33] Horridge, JS and KE Cockshull. 1998. Effect on fruit yield of bending (‘kinking’) the peduncles of tomato inflorescences. Scientia Horticulturae 72,111-122.
[34] Horridge, JS and KE Cockshull (1998) Effect on fruit yield of bending (‘kinking’) the peduncles of tomato inflorescences. Scientia Horticulturae 72,111-122.
[35] Sonneveld, C. (1993) Watervoorziening, bemesting en waterkwaliteit bij teelten onder glas. In: Watervoorziening en gewasproduktie (Van Keulen, H. penning de Vries, F.W.T. Eds. ) Agrobiologische thema’s 8. CADO-DLO, Wageningen, 41-48.
[36] Van ieperen, W. Consequences of Dirurnal variation in salinity on water relations andyield of tomato. Thesis Wageningen Agricultural University, Wageningen, the Netherlands.
[37] Papadoupolos, A.P. (1991) Growing greenhouse tomatoes in soil and in soilless media. Agriculture Canada Publication 1865/E.
[38] Snyder, R.G. 1996. Greenhouse tomatoes-The basics of successful production. P.3-6. Greenhouse Tomato Seminar. Sponsored by the American Society for Horticultural Science. 3-4 August 1995. Montreal, Quebec, Canada. ASHS Press, Alexandria VA.
[39] Papadoupolos, A.P. (1991) Growing greenhouse tomatoes in soil and in soilless media. Agriculture Canada Publication 1865/E.
[40] Hochmuth, G. 1996. Greenhouse tomato nutrition and fertilization for southern latitudes. P. 37-49. Greenhouse Tomato Seminar. Sponsored by the American Society for Horticultural Science. 3-4 August 1995. Montreal, Quebec, Canada. ASHS Press, Alexandria VA.
