Effects of cultural practice methods on fruit orchard rehabilitation after flooding crisis in songkhla province
2004
Sdoodee, S. | Chanaweerawan, S. | Puangkeaw, P. (Prince of Songkla University, Songkhla (Thailand). Faculty of Natural Resources. Dept. of Plant Science)
To rehabilitate the fruit orchards exposed to flooding crisis that occurred in year 2000 in Songkhla province, an investigation of the effects of cultural practice methods was done in the farmers' orchards at 2 experimental sites (at Tumbol Kho Hong and Tumbol Kuan Lang, Amphur Hat Yai). The first site, at Tumbol Kho Hong, was mixed cropping (durian, longkong and mangosteen). The second site, at Tumbol Kuan Lang, was a monocrop of pummelo orchard. The experiment was comprised a stratified sampling method with 3 treatments: 1) control, 2) fertilization (15-15-15, 8-24-24 and 13-13-21) and soil improvement with humic acid (S) and 3) foliar application (glucose was applied with 16-12-0+micronutrients+extracted seaweed and 7-13-34+12.5Zn+extracted seaweed+Ca-B spraying) with fertilization and soil improvement (F+S). The results from the both experimental sites showed that the F+S treatment exhibited the best result. This promoted the plant growth and yield of fruit trees. In addition, the other orchards surrounding the experimental sites were surveyed. It was noticeable that fruit trees grown in raising-beds could recover and exhibit normal fruit bearing. This pointed out that the impact of flooding on fruit orchards would be possibly alleviated by a drainage system.
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