Wonder seaweeds: a green tech for rice production
2018
Agudera, J.P. Jr | Caballero, G.A. | Catubay, E. | Nasibog, L.D. Jr | Ponteras, J.G.
This study aimed to determine the level of KD foliar fertilizer and its effect in combination of different levels of KD foliar fertilizers to the yield of rice in Davao del Sur [Philippines], Specifically, it aimed to determine the level of KD fertilizer to increase yield of rice per hectare; and its effects when combined with different levels of synthetic fertilizers on (1)yield (kg); (2)weight (g); (3)filled and unfilled grains/seeds per panicle; (4)productive tillers per hill; (5)rice bugs; and (6)added benefits to the rice farmers. The study was conducted in three different trials in 2008, 2015 and 2018 using Randomized Complete Block Design (RCBD) with six treatments replicated three times and a verification trial. Result disclosed that an eight liter KD foliar fertilizer per hectare proved significantly to have positive effects on the yield of rice and reached 4.88 metric tons. The result further increased of 6MT/ha in a verification trial when adopters claimed that a 2.5 gallons of KD/ha at 360ml per 16L spray load was used and even reached to 6.85MT/ha when NSIC Rc 160 variety was planted which significantly produced the highest yield. The results also proved that a reduction by fifty-percent (50%) use of synthetic fertilizer combined with 360ml of KD foliar fertilizer sprayed on a weekly basis produced higher yield; with the heaviest number of filled grains; and having the lowest number of unfilled grains per panicle. No significant difference on the production of productive tillers per hill at different levels of synthetic fertilizers. Rice farm sprayed with KD foliar fertilizer significantly reduced rice bugs population to five percent after seven days. The study also indicates an eighty percent additional income to rice farmers in using KD foliar fertilizer.
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