TANGGAPPERTUMBUHANSTUMP MATA TIDURKARET TERHADAP KOMPOSISI MEDIA TANAM DAN PEMUPUKAN NPK ORGANIK

Mahfriza Fansuri Mahfriza FansuriQ, Irsa Irsa, Nini Rahmawati

Abstract


The aim of the research is to know the response of rubber budded stump growth of the compositions
of growing media and organic NPK fertilization. It was conducted at Kuala Bingai Village, Stabat,
regency of Langkat about 15 m sea level on May to August 2012 by using arandomized block
designfactorialtwofactorsthat is organic NPK fertilization (0, 50, 100, 150 g/polybag) and the
composition of growing media (subsoil, subsoil+compost of blotong sugar cane and
subsoil+compost of blotong sugar cane+sand). The parameters observed were percentage stump of
shoot, speed of eye stump out, shoot lenght,number of leaves, shoot grith, percentage of stump one
umbrella leaf’s and total leaves width.The result of research showed that compositions of growth
media and organic NPK fertilization showed no significant effects for all parameters. Interaction of
both treatments influenced significantly on shoot lenght 8 and 12 MST and shooth grith 6-10 MST.
Key words : organic NPK, growing media, rubber budded stump

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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)