TY - JOUR
T1 - Measured light transmissivity in three greenhouses
AU - Wagner, N. C.
AU - Janni, K. A.
AU - Thill, C. M.
AU - Erwin, J. E.
AU - Blom, T.
PY - 1997/12/1
Y1 - 1997/12/1
N2 - The amount of light transmitted through a greenhouse is a critical factor for production of greenhouse grown crops. Factors that affect irradiation transmissivity to the plants are latitude, greenhouse orientation, glazing material, roof slope, and obstructions within the greenhouse. Irradiation data at plant level within three greenhouses at different locations was measured and compared to corresponding global horizontal irradiation levels. Overall transmission efficiencies varied; 52% for a wide spanned twin walled greenhouse, 39% for glass Venlo design greenhouse, and 35% for a double-poly Venlo greenhouse.
AB - The amount of light transmitted through a greenhouse is a critical factor for production of greenhouse grown crops. Factors that affect irradiation transmissivity to the plants are latitude, greenhouse orientation, glazing material, roof slope, and obstructions within the greenhouse. Irradiation data at plant level within three greenhouses at different locations was measured and compared to corresponding global horizontal irradiation levels. Overall transmission efficiencies varied; 52% for a wide spanned twin walled greenhouse, 39% for glass Venlo design greenhouse, and 35% for a double-poly Venlo greenhouse.
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M3 - Conference article
AN - SCOPUS:0031347918
SN - 0145-0166
VL - 3
JO - Paper - American Society of Agricultural Engineers
JF - Paper - American Society of Agricultural Engineers
T2 - Proceedings of the 1997 ASAE Annual International Meeting. Part 1 (of 3)
Y2 - 10 August 1997 through 14 August 1997
ER -