Growth And Yield Performance Of Yam (Dioscorea Alata L.) As Influenced By Fertilization Schemes And Types Of Planting Material
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Abstract
The study aimed to determine the best fertilization rate and type of planting material for high yield performance of yam grown at Central Mindanao University, Musuan, Bukidnon, from March to December 2020. The fertilization schemes as Factor A and the three types of planting materials as Factor B were laid in a 3x3 factorial arrangement in Randomized Complete Block Design (RCBD). Results revealed that yam plants fertilized with Vermicast (5 T/ha) significantly exhibited the highest percentage survival, which differed from the rest of the fertilizer treatments. Likewise, yam plants fertilized with 5 T/ha vermicast significantly developed the longest vine from 6–12 weeks after planting. Vine cuttings as planting materials significantly exhibited the highest number of tubers per hill, the highest marketable yield of 18.40 T/ha, and a total tuber yield of 30.53 T/ha. Yam vine cuttings applied with the recommended rate of inorganic fertilizer (20–15–45 kg/ha NPK) + 2.5 T/ha Vermicast gave the highest yield of 21,400 kg/ha and a net income of ₱545,403 with an ROI of 267.88%.
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