Vol - 18, Issue - 04
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Journal of the Austrian Society of Agricultural Economics (JASAE)
Journal ID : JASAE-22-03-2022-137
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Title : Effects of pot medium on seedling growths of Cinnamomum balansae H.Lec tree
by Le Van Quang, Nguyen Vien, Hoang Van Thang, Nguyen Thi Anh Nguyet, Vo Dai Nguyen, Tran Van Do,
Abstract : Cinnamomum balansae is an endemic species of Vietnam. The species has a high potential for poverty reduction because it contains essential oil of up to 170 US$/liter and has durable timber of up to 1,500 US$/m3. Six pot mediums were tested to evaluate their effects on the survival and growth of seedlings in the nursery stage. The survival rate, stump diameter, and height of seedlings were collected at 6 months of growth. The results indicated that pot mediums significantly affected the survival rate and growths of seedlings. The highest survival rate of 87.8% was recorded in pot medium of 98% forest soil collected from 0-30 cm soil layer and 2% NPK fertilizer (16% N: 16% P: 8% K) by volume (soil-NPK pots). While the lowest was found in the medium of 100% forest-soil pots (76.7%). The largest stump diameter and tallest seedling height were also found in soil-NPK pots with a mean stump diameter of 0.57 cm and seedling height of 50.8 cm. The smallest stump diameter (0.34 cm) and seedling height (34.9 cm) were also recorded in 100% forest-soil pots. It is concluded that fertilizer plays an important role in producing seedlings for C. balansae. Fertilizing NPK should be conducted to seedlings during the nursery stage.

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