On the action of bacteria in the soil of reclaimed paddy-fields converted from upland-fields.

Hisayoshi NOSE

doi:10.3186/jjphytopath.23.207

Hisayoshi NOSE

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JOURNAL FREE ACCESS

1958 Volume 23 Issue 5 Pages 207-209

DOI https://doi.org/10.3186/jjphytopath.23.207

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Published: December 30, 1958 Received: - Available on J-STAGE: February 19, 2009 Accepted: July 21, 1958 Advance online publication: - Revised: -
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Date of correction: February 19, 2009 Reason for correction: - Correction: TITLE Details: Wrong : On the action of bacteria in the soil of reclaimed paddy-fields converted from upland-fields
Right : On the action of bacteria in the soil of reclaimed paddy-fields converted from upland-fields.

Date of correction: February 19, 2009 Reason for correction: - Correction: ABSTRACT Details: Wrong : In reclaimed paddy-fields in Tokushima Prefecture converted from upland fields where wheat, barley or mulberry had been cultivated, the sterility in rice-plants is frequently found for 1∼3 years after the conversion, but not thereafter. The injury of this kind is seldom found in the converted fields where water is not retained for a long time and, therefore, the frequent irrigation is necessary, but it is apt to appear in the water retainable fields. Especially it seems that green manure or immature organic manure accelerates the outbreak of this injury. Concerning the action of bacteria the author campared the soil of converted paddy-fields with that of mature paddy-fields where rice-plants are cropped every year.
According to his investigation, in the soil of mature paddy-fields which have long been under cultivation of rice-plants, the growth of Microspira desulfuricans (Beij.) van Delden and Thiobac. denitrificans Beij. is very vigorous, while in the soil of the fields which are designed for conversion or cultivated for one year after conversion, the distribution of these bacteria is scarcely found. However, in the soil of 2-3-year-old converted paddy-fields they are observed to grow gradually, and especially in the soil of 3-year-old converted paddy-fields the bacterial growth is vigorous as well as in the mature paddy-field.
In converted paddy-fields the production of organic acids may be remarkable, especially if green manure or immature compost is added, in comparion with mature paddy-fields.
Right : In reclaimed paddy-fields in Tokushima Prefecture converted from upland fields where wheat, barley or mulberry had been cultivated, the sterility in rice-plants is frequently found for 1-3 years after the conversion, but not thereafter. The injury of this kind is seldom found in the converted fields where water is not retained for a long time and, therefore, the frequent irrigation is necessary, but it is apt to appear in the water retainable fields. Especially it seems that green manure or immature organic manure accelerates the outbreak of this injury. Concerning the action of bacteria the author campared the soil of converted paddy-fields with that of mature paddy-fields where rice-plants are cropped every year.
According to his investigation, in the soil of mature paddy-fields which have long been under cultivation of rice-plants, the growth of Microspira desulfuricans (Beij.) van Delden and Thiobac. denitrificans Beij. is very vigorous, while in the soil of the fields which are designed for conversion or cultivated for one year after conversion, the distribution of these bacteria is scarcely found. However, in the soil of 2-3-year-old converted paddy-fields they are observed to grow gradually, and especially in the soil of 3-year-old converted paddy-fields the bacterial growth is vigorous as well as in the mature paddy-field.
In converted paddy-fields the production of organic acids may be remarkable, especially if green manure or immature compost is added, in comparion with mature paddy-fields.

Date of correction: February 19, 2009 Reason for correction: - Correction: CITATION Details: Wrong : 1) Beijerinck, M. W.: Centrbl. Bakt., 2 (11): 598. (1904).
2) Burri, R.: Centrbl. Bakt., 2 (8): 533. (1904).
6) Lieske, R.: Ber. Deut. Bot. Gesell., 30: 12. (1912).
10) Tisdale, W. H. and Jenkins, J. M.: U.S. Dept. Agric. Farmer's Bull., 1912. (1921).

Right : 1) Beijerinck, M. W.: Centrbl. Bakt., 2(11): 598. (1904).
2) Burri, R.: Centrbl Bakt., 2(8): 533. (1904).
6) Lieske, R.: Ber, Deut. Bot. Gesell,30: 12. (1912).
10) Tisdale, W. H. and Jenkins, J. M.: U. S. Dept. Agric. Farmer's Bull.,1912.(1921).

Date of correction: February 19, 2009 Reason for correction: - Correction: PDF FILE Details: -

Abstract

In reclaimed paddy-fields in Tokushima Prefecture converted from upland fields where wheat, barley or mulberry had been cultivated, the sterility in rice-plants is frequently found for 1-3 years after the conversion, but not thereafter. The injury of this kind is seldom found in the converted fields where water is not retained for a long time and, therefore, the frequent irrigation is necessary, but it is apt to appear in the water retainable fields. Especially it seems that green manure or immature organic manure accelerates the outbreak of this injury. Concerning the action of bacteria the author campared the soil of converted paddy-fields with that of mature paddy-fields where rice-plants are cropped every year.
According to his investigation, in the soil of mature paddy-fields which have long been under cultivation of rice-plants, the growth of Microspira desulfuricans (Beij.) van Delden and Thiobac. denitrificans Beij. is very vigorous, while in the soil of the fields which are designed for conversion or cultivated for one year after conversion, the distribution of these bacteria is scarcely found. However, in the soil of 2-3-year-old converted paddy-fields they are observed to grow gradually, and especially in the soil of 3-year-old converted paddy-fields the bacterial growth is vigorous as well as in the mature paddy-field.
In converted paddy-fields the production of organic acids may be remarkable, especially if green manure or immature compost is added, in comparion with mature paddy-fields.

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