Beware some mulching organic techniques may favor the proliferation of Oryctes insects that perforate and kill a large number of coconut palms (communication from Richard Markham).
References by region
Niggli, U., Baker, B., Rahmann, G., Cuoco, E., Möller, C., Ssebunya, B., ... & Gould, D. (2014). A Global Vision and Strategy for Organic Farming Research. First Draft.
See also: Organic Fertilizer Calculator
MAPUSUA, K. (2013). Organic Agriculture in the Pacific Islands. The World of Organic Agriculture Statistics and Emerging Trends 2013, 303.
Mapusua, K., & Maccari, M. (2007). An overview of organic agriculture in the Pacific. IFOAM.
Organic farming in coconut - S Jothimani - Indian Coconut Journal, 1994
South East Asia
The Use of Organic Fertilizer in Coconut (A Research Note) J.A. Mantiquilla, L.H. Canja, R.Z. Margate, and S.S. Magat1 © Philippine Journal of Coconut Studies 19(1): 8-13, June 1994
CocoInfo International Volume 21 No, 2 2014. Anon (2014) PCA implements Organic Cocolisap Treatment Protocol in Certified Coco Farms. CocoInfo International 21 (2) 34-35.
Solangi AH, Iqbal MZ, & Shafiq M (2014) Effect of Organic and Inorganic Fertilizers Amendments on Inflorescence and Flower Morphology and Yield of Coconut (Cocos nucifera L.). Cord 30 (2) 10-18