Coffea arabica
Machilus odoratissima Nees
sustainable productivity
Quang Tri province


This study assessed the active effects of interplanting Coffea arabica and Machilus odoratissima Nees, planted over seven years in small-scale farms in Huong Hoa district, Quang Tri province, Vietnam. The results show that the environmental conditions for growing and developing the coffee trees have been improved in the area of mix-planting Coffee and Machilus. The coffee productivity, as a result, has also been inscreased. In comparision with the living condition at the monoculture farms, wind speed was reduced to 1.67ms-1, soil moisture was increased by 5.1% and soil temperature was decreased by 3.60C at the interplanting farms. The coffee prodictivity correspondingly increased by approximately 7.5%. In addition, the timber value of Machilus plantations contributed to economic efficiency and economically ensured the sustainability of coffee plantations. It was also shown that the logging Machilus after seven years of planting contributed over 716.52 USD/ha to the farmer incomes. This could be considered as an economic support to the farmers to maintain the coffee plantation in hash weather conditions or in uncertain prices of productions.


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