| Abstrak/Abstract |
South Sumatra Province is known as Indonesia's largest natural rubber-producing center.
In the last few decades, South Sumatra has faced climate change issues marked by increased
variability of maximum temperature, mean temperature, minimum temperature, and rainfall.
On the other hand, smallholder rubber plantations are considered to be particularly vulnerable
to climate change. Therefore, the goal of this study was to identify the climatic factors that
affect the productivity of smallholder rubber plantations in South Sumatra. The data was
gathered from the Indonesian Central Bureau of Statistics and the Indonesian Agency for
Meteorology, Climatology, and Geophysics from January 2006 to December 2019. A
quadratic regression model was used to analyze the data. The results showed that maximum
temperature, mean temperature, minimum temperature, and rainfall affect the productivity of
smallholder rubber plantations. Maximum temperature and rainfall indicate a pattern that is
increasing to the optimum point of 32.29°C and 281.40 mm respectively and after that, it will
slow down. The mean temperature and minimum temperature show a pattern that is
decreasing to the optimum point of 26.84°C and 22.14°C respectively and after that, it will
slow down. |
