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Studies on the humus form of forest soil part 5 humus form of the representative forest soils in ryukyu islands okinawa



Studies on the humus form of forest soil part 5 humus form of the representative forest soils in ryukyu islands okinawa



Bulletin for the Forestry and Forest Products Research Institute (286): 83-110



Chemical properties, humus composition and optical properties of humic acid of red, yellow, dark red, black and rendzina-like soils were determined.

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