The average maximum daily air temperature was 35.7±2.8◦C while the average minimum daily air temperature was 22.7±3.2◦C (Fig. 2). The average relative humidity was 69.8±7.3% while solar radiation was 17.6±2.9MJm−2 (Fig. 2). The experiment was con-ducted during the dry season (February to March) and no rainfall was recorded during the experiment period.