RESPONS PERTUMBUHAN BIBIT KAKAO TERHADAP PEMBERIAN KOMPOS SAMPAH KOTA DAN PUPUK P

Marisi Untung Hutahaean, Balonggu Siagian, Lisa Mawarni

Abstract


The response of cocoa seedlings growth for giving municipal waste compost and P fertilizer. The
design of the experiment was randomized block design arranged in factorial with two factors. The
first factor is municipal waste compost, Subsoil ultisol 5 kg + municipal waste compost 0 kg,
Subsoil ultisol 3,75 kg + municipal waste compost 1,25 kg, Subsoil ultisol 2,5 kg + municipal waste
compost 2,5 kg, Subsoil ultisol 1,25 kg + municipal waste compost 3,75 kg. The second factor
present of Phosphat Fertilizer, 0 g/polibag, 2 g/polibag, 4 g/polibag, 6 g/polibag. The Parameter
observed includes plant hight (cm), number leafs (sheet), diameter of stem (mm), total of broad leaf
(cm2), fresh and dry weight of crown (g), fresh and dry weight of root (g).
The result of reseach showed that municipal waste compost influential significantly on plant
height, number of leafs, diameter of stem, total of broad leaf, fresh and dry weight of crown, fresh
and dry weight of root. P fertilizer was significantly on total of broad leaf. Interaction between of
municipal waste compost and P fertilizer was not significantly to all parameters.
Key words : cacao, compost, phosphat

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Program studi Agroteknologi

Fakultas Pertanian

Jl. Prof. A. Sofyan no. 3

Kampus Universitas Sumatera Utara

Padang Bulan- 20155

Medan-Sumatera Utara

E ISSN (2337-6597)