CD Skripsi
Aplikasi Kompos Solid Dan Abu Terbang Batu Bara Pada Medium Ultisol Terhadap Pertumbuhan Dan Hasil Kacang Tanah (Arachis Hypogaea L.)
ABSTRACT
Peanuts are one of the most important food crops after rice, corn, and soybeans in Indonesia. Peanut production in Indonesia is still unstable, however it can be improved by utilizing the potential of Ultisol soils, which are widely distributed across the country. Nevertheless, Ultisol soils have various limiting factors, both chemical and physical. These limitations can be addressed through the application of solid compost and coal fly ash.The aim of this research is to study the interaction, best combination, and individual effects of solid compost and coal fly ash on the growth and yield of peanuts (Arachis hypogaea L.) in Ultisol soil. The research was carried out experimentally using a completely randomized design (CRD) consisting of 2 factors. Factor I was solid compost (K), which consisted of 3 levels (0, 5, and 10 t.ha-1). Factor II was coal fly ash (F), which consisted of 3 levels (0, 5, and 10 t.ha-1). The observed parameters included plant height, flowering age, harvest age, number of pods, pod weight, number of root nodules, and number of seeds. The results showed that interaction between solid compost and coal fly ash does not have a mutual effect on any of the observed parameters. The application of solid compost at 10 t.ha-1 increased the number of pods, pod weight, and number of seeds in peanut plants. The application of coal fly ash at 5 t.ha-1 increased the number of pods, pod weight, and number of seeds in peanut plants. The combination of 5 t.ha⁻¹ solid compost with 5 t.ha⁻¹ coal fly ash was the best dose combination because it was able to increase the number of pods, pod weight, and number of seeds.
Keywords : flowering age, harvest age, pod weight, root nodules
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