Pengaruh penyiangan gulma terhadap daya hidup dan pertumbuhan awal tanaman shorea balangeran di lahan rawa gambut

The objective of this study is to find the optimal suitable weeding control frequency of shorea balangeran plantation. The study was Forest Research and Development Institute of Eastern Indonesia (FORDIPLAN) at Tumbang Nusa, Central Kalimantan. The weeding control frequencey of 18 mounth old blangeran (Shorea balangeran) was arranged in Randomized Complete Block Design (RCBD). There were 4 weeding treatments : PO (no slashing/ control), P1 (six times a year), P2 (four times a year), P3 (three times a year), each treatment with 3 replications. Data were analyzed with SPSS Ver. 11. Variance analyses showed significance different for all variables measured. Duncuan's post hoc test showed P1 and P2 treatment significance different than other, but growth performance of S. balangeran wich showed a better result for P1. This treatment was prospectus to be applied. The best height growth was 63.8 cm (P1) and the lowest was 49.3 cm (PO), diameter growth ranged from 0.41 cm to 0.51 cm on S. balangeran 24 months old. Survival rate ranged from 53 percent to 68 percent, six months after slshing treatment there was a decreasing on survival rate ranged from 3 percent to 10 percent.

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No. Panggil

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: .,

Deskripsi Fisik

Tekno Hutan Tanaman : Vol.1,No.1

Bahasa

Indonesia

ISBN/ISSN

1410-1068

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Perpustakaan R.I. Ardi Koesoema

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