PENGARUH NAUNGAN TEGAKAN MERANTI DAN PEMBERIAN MULSA SEKAM PADI TERHADAP PERTUMBUHAN TANAMAN KOPI ROBUSTA SAMPAI UMUR 3 BULAN DI CANGKRINGAN SLEMAN
Muhammad Dzulfikar, M. Gunawan Wibisono, S.Hut., M.Hum., M.Sc.; Ir. Adriana, M.P.
2026 | Skripsi | KEHUTANAN
Adding canopy layers at lower and middle levels is essential to protect the soil from the kinetic energy of rainfall. Although coffee can thrive in shaded conditions, it can also grow in open areas if environmental conditions are suitable. At the research site, weed was identified as a primary challenge. Since information regarding the effects of Shorea selanica shading and rice-husk mulch on Robusta coffee growth in Cangkringan remains limited, this study aimed to evaluate these treatments and their interaction on the development of Robusta coffee plants up to three months of age. The study employed a split-plot design, with shading (no shade, P0; with shade, P1) as the main plot and mulching (no mulch, M0; rice-husk mulch, M1) as the subplot. Four treatment combinations were tested, each consisting of four plants and replicated across six blocks, totalling 96 coffee plants. Growth parameters included plant height, stem diameter, number of leaves, crown width, and leaf area. The data obtained was then subjected to variance analysis. The results indicated that shading significantly affected all measured parameters, except for leaf area. Robusta coffee grown without shading showed higher growth values than the shaded plants. Rice-husk mulch application did not significantly influence any parameters. However, mulched plants tended to exhibit relatively better growth. The interaction between shading and mulching was not significant for any parameters except stem diameter.
Kata Kunci : Kopi robusta, naungan, mulsa sekam padi, pertumbuhan, tegakan meranti