TY - JFULL AU - S. Chumkiew and W. Srisang and K. Jaroensutasinee and M. Jaroensutasinee PY - 2007/9/ TI - Phenology of the Parah tree (Elateriospermumtapos) using a GAPS Model T2 - International Journal of Bioengineering and Life Sciences SP - 90 EP - 95 VL - 1 SN - 1307-6892 UR - https://publications.waset.org/pdf/9308 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 8, 2007 N2 - This work investigated the phenology of Parah tree (Elateriospermum tapos) using the General Purpose Atmosphere Plant Soil Simulator (GAPS model) to determine the amount of Plant Available Water (PAW) in the soil. We found the correlation between PAW and the timing of budburst and flower burst at Khao Nan National Park, Nakhon Si Thammarat, Thailand. PAW from the GAPS model can be used as an indicator of soil water stress. The low amount of PAW may lead to leaf shedding in Parah trees. ER -