Pemanfaatan Kompos dan EM-4 pada Lahan Kritis Terhadap Serapan Hara, Pertumbuhan, dan Produksi Bawang Merah (Allium ascalonicum L) Di Kabupaten Minahasa.

Joice.M.J. Supit, Y.E.B Kamagi, L.Th. Karamoy



Field experiments on "Utilization of Compost and EM-4 in Critical Lands on Nutrient
Uptake, Growth, and Production of Shallots (Allium ascalonicum L.) in Minahasa
District", with objectives in this study were Determine the optimal compost dosage for
agricultural business; Determine the dose of EM-4 as an activator that can optimize the
use of compost; Utilizing critical land as productive land for agricultural activities;
Improving soil physical properties, soil chemistry and soil biology for critical land become
productive land . The research was conducted in a field experiment by analyzing compost
and soil before and after compost treatment. The compost dose treatment consisted of 0 ton
/ ha as a control, 15 ton / ha; 30 ton / ha; 45 tonnes / ha and 60 tonnes / ha. The EM-4
treatment consisted of 0 cc, 30cc and 60 cc / 100gr white sugar + 6 liters of water. Shallot
plants as an indicator. The incubation period for compost is 2 weeks. The research method
was a factorial experiment with a randomized block design and 3 replications. The
statistical tests used are ANOVA and LSD analysis. The results of the study showed that

compost treatment had a significant effect on growth and production of shallots, while EM-
4 had no significant effect. Compost treatment of 45 tons / ha provides maximum nutrient

uptake, growth and production of shallots.
Key words: Compost, EM-4, Shallots, Critical Lands.

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