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Tree improvement is a part of breeding development practices for producing genetically improved stock. Beyond the success on realizing the high productivity, products from tree improvement need some prerequisites for adopting in its operational, such as sitematching, fertilizer, spacing, monoculture and other silviculture practices, some of which are difficult to be fulfilled by the small grower under agroforestry system. As a result, the improved stocks are not commonly planted in small grower’s land. However, in supporting the development of productive agroforestry system, adopting tree improvement into agroforestry practices is necessary. This paper presents a case study of introducing the improved  Acacia mangium  in community-based forest in Pacitan, East Java. The site planting for this program was selected by considering the fact of the long history of traditional planting of  Acacias  in community-based forest in Pacitan accompanied with the increasing demand of the  Acacias  wood for home industries. The program was started at 2012 with the slogan of “planting and manage with your own available resources”. There are four main steps for achieving the goal of programs: 1) introducing improved stock through free distributing the seedling, 2) supervising and monitoring the growth and economic value, 3) establishing seed orchard, 4) autonomous on improved seed production for further replanting. After 6 years, this program revealed that while maintaining a high productivity and economic value, improved stock of A.mangium from tree improvement program could be successfully planted in smallgrower’s land under sustainable agroforestry practices with low cost of silviculture practices.

iop conference series. earth and environmental science

Adopting tree improvement into agroforestry system: a case study of introducing improved Acacia mangium in community-based forest in Pacitan, East Java