Table 1 Climatic and geographical information of sampling area
Locations | Lowest temperature (°C) | Highest temperature (°C) | Above sea level (m) | Average humidity (%) | Average light intensity (µmol m−2 s−1) | Average sunny day (h) | Average rainfall (mm) |
|---|---|---|---|---|---|---|---|
Perak | 21 | 36 | 45 | 84 | 1020 | 140 | 224 |
Negeri Sembilan | 22 | 37 | 34 | 80 | 940 | 181 | 195 |
Johor | 23 | 36 | 32 | 78 | 860 | 166 | 181 |