ISHS Acta Horticulturae 434: Strategies for Market Oriented Greenhouse Production
RELATIONSHIP BETWEEN DIF'S INSIDE AND OUTSIDE PLASTICHOUSE |
| Authors: | M.M. Eissa, A.F. Abou-Hadid, A.M. Eissa |
| Abstract:
Hourly air temperature were recorded inside and outside a plastichouse for three successive seasons (1991 to 1993). The house was cultivated with the sweet bell pepper (Capsicum annuum), cv "Golden F1". Analysis of the recorded data (n=340) indicated that the relationship between DIF's inside and outside plastichouse is given by the following equation (R=0.9289): TDIF= 1.5072*DIF - 4.5275*(Tx/Tm) + 23.7374*(TTx/Tx) - 19.7056 where, TDIF and DIF = the difference between mean day time and mean night temperatures inside and outside plastichouse respectively; TTx and Tx = Maximum temperatures inside and outside plastichouse respectively, and Tm = minimum temperature outside the plastichouse. | |
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