土壌の物理性
Online ISSN : 2435-2497
Print ISSN : 0387-6012
厚い粘質無機質層を持つ泥炭土転換畑に対する土層改良(泥炭混層耕) 一石狩川下流域の泥炭土輪換田の土層改良⑵一
橋本 均
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1994 年 70 巻 p. 43-48

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This report summarizes the cultivation experiment results of subsoil improvement by peat layer mix plowing for the peaty paddy—upland rotation fie Id (upland crop use) which have too—thick clayish surface layer. 1) Soil tilth,soil porosity and surface permeability were improved by layer mix plowing. 2) Trafficability for tractor is not inferior to that of the fields of normal plowing. 3) The whole field ground did not subsided after layer mix plowing,but the degree of configuration is worse than that of the field of normal plowing.
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© 1994 土壌物理学会
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