As a result of the industrial revolution and economic development, palm plantations spread from West Africa to South and East Asia. Palm oil was introduced to Sri Lanka in 1967. Palm plantations are covering around 20000 ha beginning in 2014. As a result, that causes the early drying of wells and waters in the dry season in oil palm-cultivated areas. Therefore, five essential economically practical alternative plantations are suggested in this article. Those are trying to apply to the abundant palm plantation lands, already cultivated and obtaining harvest. The government gazette to reduce and removing palm plantation lands to reduce 10% in 2020. This paper includes plantation and maintenance methods for some selected alternative plants, which helps the landowner as a solution to solve this problem by reducing environmental facts. So, five alternative plantations have been suggested to be used with palm residue management methods with organic fertilizer generation in some coastal areas.