Assessment of direct seeded and transplanting methods of Unoy Rice under nutrient management in Tabuk City, Kalinga

Abstract

Unoy rice is a type of heirloom rice grown in Kalinga, in most areas of the municipalities of Pasil, Balbalan, Tinglayan, and Tanudan, Kalinga. It was conducted at Kalinga State University’s experimental area (385 m2) to assess the effect of direct-seeded and transplanting methods of Unoy rice under nutrient management. The RCB design in the factorial experiment was used in the study—direct-seeded influence the plant height at 30 DAS and 60 DAS, except before harvesting. Transplanted Unoy was taller than direct-seeded rice, as revealed in the experiment. Transplanted Unoy produced more tillers (7) versus direct-seeded (3). The effect of nutrient management did not influence the height of Unoy before harvesting, but it affected the plant height 30 and 60 days after sowing and transplanting. Farmer’s practice significantly affected the days to Maturity and the number of tillers. Panicle length did not obtain significant results under two planting methods—the same with percent filled grains, percent unfilled grains, and weight of 1000 grains. Transplanted Unoy produced a more significant number of grains (183) compared to direct-seeded (129.52). Transplanted Unoy had a significantly higher yield (4.52 kg/plot) than direct-seeded. The effect of nutrient management did not influence the number of grains/panicles, the percentage of filled grains and unfilled grains, the weight of 1000 grains, or biomass. Regarding panicle length, the farmer’s practice measured longer panicles (35.48) compared to soil analysis and no fertilizer. Applying soil analysis produces significantly higher yields (5.32 kg/plot) than the farmer’s practice and no fertilizer.