PENGARUH PEMBERIAN KOMPOS KULIT KOPI DAN PUPUK NPK MUTIARA TERHADAP PERTUMBUHAN DAN PRODUKSI JAGUNG MANIS ( ZEA MAYS SACCHARATA L.) DI SIMALUNGUN

  • IRAWATY ROSALYNE UNIVERSITAS SIMALUNGUN
Keywords: Coffee Skin Compost, NPK Fertilizer, Sweet Corn

Abstract

The study used a randomized design of the group (RAK) factorial with two factors, the first factor is the composting of coffee
skin, namely: K0: Control (without the provision of coffee skin compost), K1: 2 kg / plot, (6.3 tons / ha) coffee skin compost,
K2: 4kg / plot, (12.6 tons / ha) coffee skin compost, K3: 6kg / plot, (18.9 tons / ha) coffee skin compost and the second factor
is the provision of NPK fertilizer consisting of N1: 0.10 kg/NPK fertilizer plot,N2: 0.20 kg/NPK fertilizer plot,N3: 0.30 kg/NPK
fertilizer plot. Parameters observed in this study include: plant height (cm), stem diameter, sample soil cob weight and cob
weight per plot. The composting of coffee skin has a real effect on all observation parameters, treatment interactions, as well
as the provision of NPK fertilizer except the diameter of the stem. The K3N3 treatment showed the highest plant height of
observation ages of 3.6, and 9 MST, respectively (77.74cm), (198 cm), and (248.57cm). corn cob weight per sample (361.47
g or 20.65 tons/ha), and fruit cob weight per plot (6.50 kg, or 20.63 tons/ha). In the treatment K2N3 shows the diameter of
the highest rod (2.49 cm).

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Published
2022-02-19