荳科植物の根瘤菌に就て(第十二報) : 紫雲英根瘤菌に及ぼす各種鉄化合物の影響に就て

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The influence of twelve different iron salts representing the ferrous and ferric compounds of organic and inorganic nature viz., ferrous sulfate, ferrous chloride, ferrous carbonate, ferrous iodide, ferric sulfate, ferric chloride, ferric nitrate, ferrous lactate, ferric oxalate, ferric malate, ferric tartarate and ferric citrate, on the growth of Genge nodule bacteria was investigated. These iron salts were applied in different concentration covering the range of 0.00005-0.05per cent, and obtained the following results : 1) The marked stimulation was obtained by forric malate and the chlorides which were followed by ferric sulfate, ferric citrate, ferric oxalate and ferric tartarate while the others were indifferent. 2) Ferric malate was least harmful and followed by ferrous carbonate while ferrous iodide and ferric nitrate depressed the growth. As a whole the influence of these iron salts on the growth of the nodule bacteria may be considered to be rather small so far as our results indicate.
社団法人日本土壌肥料学会の論文
1938-08-15