Palm oil mill factories generate larger amounts of solid wastes.
This paper reported the results of evaluation of the plant nutrients contented N P K in 4 types of solid wastes of 17 Palm oil mill factories in Surathani Nakonsri Thammarat Phattalung Songkhla in southern Thailand.
This study was carried out during 2010-2011 by using questionnaires, field survey, samples analysis and secondary data obtained from governmental and research agencies.