土壌中の金属(Fe, Al)の反応性と植生,気候との関係

概要

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An experimental pedogenetic study was carried out for clarifying the mechanism of reactivity of iron (Fe) and Aluminium (Al) in soils under the various forest and climate conditions. I set up the materials which were resources of Fe & Al in soils. They were "Red soils (Red soils of Okinawa)" and "sub soils of podzol (PDI of Mt. Kokusidake)". The investigated forest is shown in Table 1. The result was as follows: Free iron oxide of "Red soils" were mainly crystalline forms, that of "sub soils of Podzol" were mainly amorphous forms. Amorphous form contents of iron oxide of "sub soils of Podzol" reduced at surface soils under subtropical (Ogasawara) and cool temperated condition (Mt. Kokusidake and Mt. Tsukuba 750). But other form contents of iron oxide and Al didn't remarkably change.
国立科学博物館の論文
1994-12-15