Field performance of adlai (Coix lacryma-jobi l.) under organic planting system in acidic marginal upland in the Philippines
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Abstract
Adlai (Coix lachryma-jobi L.) is a resilient crop that can be grown even in acidic marginal uplands and is considered a climate-resilient crop. The effects of goat manure as an organic fertilizer on the growth and yield of Adlai on acidic marginal land were investigated. The results revealed that the application of 5 tons per hectare (T3) of goat manure obtained the highest effects on the growth, the number of tillers, and the yield of Adlai, with 2.23 t ha-1 with a net income of Php 32,700.42, and obtained a 96.04 percent return of investment (P=<0.01). However, because of the treatment's higher cost of production, the application of 2.5 tons/ha of goat manure (T2) generated a maximum net income of PhP 31. 329.57 with a 107.36 percent ROI. The application of goat manure at 2.5–5 tons per hectare is best for Adlai production when planted in acidic marginal upland since its effects are comparable to inorganic fertilizer. Further studies may be conducted on the residual effects of fertilizer materials on the ratooned Adlai plants.
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