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The effects of fertilization on the forest productivity of a Japanese cedar stand in sterile soil conditions. II. The increase course of growth after fertilization


, : The effects of fertilization on the forest productivity of a Japanese cedar stand in sterile soil conditions. II. The increase course of growth after fertilization. Bulletin of the Kyoto University Forests ( 61): 60-70

Forest productivity was measured in 1988 in a 31-year-old Japanese cedar (Cryptomeria japonica) stand, located on a poor soil, following fertilizer application (NPK 20:5:6 at 66 kg/ha) in 1985. Data were compared with growth data preceding fertilizer treatment. Above-ground biomass increased from 10.47 (in 1985) to 16.22 t/ha (dry weight), annual biomass increment increased 3x, from 0.74 to 2.11 t/ha.

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