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J. Dootson
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THE PRODUCTION AND PROPERTIES OF COCONUT STEM CHARCOAL IN THAILAND J. Dootson; Peyanoot Naka; Maliwan Rattanapruk; Panit Ngangoranatigar
International Coconut Community Journal Vol 5 No 01 (1989): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v5i01.225

Abstract

A programme of experimentation and training on the production of charcoal from coconut stems in transportable metal k.ilns was carried out. Comparisons were made between different timber densities, preparation methods and kiln loading systems. Other timber sources and traditional kilns were used. The highest density coconut wood produced the best charcoal and extensive preparation was found to be necessary. Local clay kilns produced excellent charcoal, but were slow and needed considerable fuel. Coconut stem charcoal. production was markedly different from carbonisation of wood from dicotyledonous trees. The charcoal produced was found to have similar calorific value to that from other woods, but was faster‑burning and easier to ignite. Content of volatile matter was low and little ash was produced. The charcoal was often rather wet. A sample of consurners found that the charcoal was better than they had expected. The main complaint was the speed of burning.
DETAILED ANALYSIS OF 30 FERTELIZER DEMONSTRATIONS IN SOUTHERN THAILAND J. Dootson; J.R.J. Moss; Sura Rungreung; Saowannee Meemuth; K. Ryder; Maliwan Rattanapruk
International Coconut Community Journal Vol 6 No 01 (1990): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v6i01.232

Abstract

Twice‑yearly coconut counts taken from 30 different demonstra­tions on Thai Tall palms showed that applying fertilizer increased the number of nuts produced over the 3 years studied. Application of 2kg of a 13:13:21 NPK compound was ‑shown to be more cost effective than applying 4kg of the same compound, but was rarely profitable, as the largest responses occurred in years when yields were high and the farm­gate prices were at their lowest. Sites where nut counts from unfertilized plots were high showed much smaller responses to applied fertilizer than those having lower counts, suggesting that inherently low yielding plots are more likely to respond to applied fertilizer. Nut counts can be considered a simple, cheap and reliable method of anticipating the probability of a fertilizer response.
Co-Authors J.R.J. Moss K. Ryder Maliwan Rattanapruk Panit Ngangoranatigar Peyanoot Naka Saowannee Meemuth Sura Rungreung