土壌の酸化還元電位に関する研究(第三報) : 果樹園及び茶園土壌の酸化還元電位の時期的変化に就て

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Author studied the seasonal variation in oxidation-reduction potential of orchard and tea garden soils throughout a year (May 1939-April 1940) and the results are summarised as follows : (1) Orchard soil Experiments were carried out on the redox-potential of profile-samples of two orchard soils. The potentials of the soils of rich orchard were generally higher than those of poor orchard. This was more distinct in soil of deeper horizon, i. e., in one orchard, it increased gradually and reached at maximum in March, and in the other, no big change excepting remarkable drop in winter. (2) Tea garden soil With three tea garden soils studied, it was found that rich soil showed higher potential than poor soil in general. But this was not so distinct as in orchard soil and even in reversed order in summer. It seems that the reverse relation is due to the last unusual dry summar.
社団法人日本土壌肥料学会の論文
1940-07-25