In a previous experiment of the literature where mixed mode
greenhouse solar dryer were used, highest temperatures inside the
greenhouse could be reached in comparison with open sun conditions:
20 C more than open sun (Aliyu and Jibril, 2009;
Srinivasan and Balusamy, 2015: Tiwari et al., 2016), these results
are consistent with that obtained in this work, but the relative
humidity can not be compared due the nature of the material to be
dried or the type of greenhouse solar dryer (mixed).