Somasiri, L.L.W.Nadarajah, N.Amarasinghe, L.2014-07-012014-07-011994https://dl-cri.nsf.gov.lk//handle/1/4133enSoilsSoil classificationSoil mapsLand suitability map for coconut of Kalpitiya, Puttalam,Battulu-Oya, Chilaw, Negombo, Wariyapola, Dandagamuwa, Gampaha,Nalanda and Kurunegala 1"sheet areas, Coconut Research Institute,Lunuwila, Sri LankaArticle