CD Skripsi
Pengaruh Pemberian Pupuk Bokashi Dan Pupuk Npk Terhadap Pertumbuhan Dan Hasil Padi Gogo (Oryza Sativa L.)
ABSTRACT
Rice (Oryza sativa L.) is the primary staple food for most Indonesians, but its productivity in Riau Province declined from 4,1 tons.ha-1 in 2022 to 3,96 tons.ha-1 in 2023. One strategy to improve rice yields is enhancing soil fertility through the application of organic and inorganic fertilizers, such as bokashi and NPK. Bokashi improves soil microbial activity and nutrient availability, while NPK provides essential macronutrients for plant metabolism. This study aimed to determine the effects and the best combination of bokashi and NPK fertilizers on the growth and yield of upland rice (Inpago 12). The experiment used a factorial completely randomized design (CRD) with two factors: bokashi fertilizer (0, 5, 6, and 7 tons.ha-1) and NPK fertilizer (0, 100, 200, and 300 kg.ha-1), conducted in 48 polybag units. Observed parameters included plant height, maximum and productive tiller number, flowering and harvesting age, number of filled grains per panicle, percentage of filled grains, 1000-grain weight, and dry milled grain weight per clump. Data were analyzed using ANOVA and further tested with the Honestly Significant Difference (HSD) test at a 5% significance level. Results showed that bokashi and NPK fertilizers significantly influenced rice growth and yield, particularly in increasing plant height, tiller number, grain count, and dry grain weight. The best treatment combination was 7 tons.ha-1 bokashi and 300 kg.ha-1 NPK, which produced the highest yield.
Keywords: Grain Quality, Organic Fertilizer, Soil Fertility, Tiller Number
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