Included in the July IBI newsletter ...
"... However, Rubber research Institute of Sri Lanka (RRISL) pioneered systematic scientific research on biochar in Sri Lanka. Scientists at RRISL initiated few experiments in 2009 by producing biochar from firewood used in raw rubber manufacturing factories and applying them into rubber nurseries and field plants. They have found that biochar improves the fertility of rubber growing soil, reduce fertilizer usage, reduce leaching losses of plant nutrients and improve the growth of the rubber plants. They also produced biochar from several organic materials available in and around rubber plantations. In addition to this, scientists in the Dept. of Agricultural Engineering at the University of Peradeniya has produced a slow release urea fertilizer using biochar. In this year several institutions in Sri Lanka have initiated small scale experiments to investigate the effect of different types of biochar on soil quality, crop growth and yield, stability of biochar carbon in soil. The outcome of these studies will be known in the coming years. ..."
http://www.island.lk/index.php?page_cat=article-details&page=article-details&code_title=56301
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