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Paper

Title	Pengaruh Manajemen Pola Penanaman Terhadap Produktifitas Tegakan Berdasarkan Simulasi Model SExI-FS
Author	Degi Harja, Endri Martini and Betha Lusiana
Editor	Devy Priambodo Kuswantoro, Tri Sulistyati Widyaningsih, Eva Fauziyah and Rina Rachmawati
Year	2013
Parent Title	Prosiding Seminar Nasional Agroforestri 2013. “Agroforestri untuk Pangan dan Lingkungan yang Lebih Baik”. Malang, 21 Mei 2013
Publisher	Balai Penelitian Teknologi Agroforestry, Fakultas Pertanian Universitas Brawijaya, World Agroforestry Centre (ICRAF) - Southeast Asia Regional Program, and Masyarakat Agroforestri Indonesia
City of Publication	Malang, Indonesia
Date	2014-05-21
Pages	119-124
Call Number	PP0339-14
Keywords	modeling, fruit yield, latex, spacing

Abstract:

Evaluating the impact of management decisions on productivity multi-species uneven-aged forest stands is a challenge. A Spatially-Explicit Individual Forest Simulator (SExI-FS) was developed as a tool for predicting the growth of a stand and here included the productivity model of some species including Durio zibethinus (durian yields) and Hevea braziliensis (latex yields). The productivity model is using both ecological knowledge and biophysics information, considering the light and space competition.
Some scenarios of rubber-based agroforestry systems was tested, from simple system (regular interplanting) to complex agroforestry system (randomize spacing). The result shows fruit yield is higher in regular plantation and lower in the spatially random planting design, while latex yield shows the opposite pattern. Both yields are intermediate in the random clustered scenario. Wood volume on the other hand is not affected by spacing and the stand density scenarios.

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