土壌の物理性
Online ISSN : 2435-2497
Print ISSN : 0387-6012
重粘土水田における浅層暗渠の効果
駒村 正治成岡 市中村 貴彦甲斐 貴光
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ジャーナル フリー

1998 年 80 巻 p. 11-20

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The purpose of this study is to make influence to consolidation of the paddy fields and soil physical properties by advanced technique, which contributes to promote new technique. We selected implementing advanced rice growing farmers, and investigated their growing method and soil of paddy fields. Location of survey site in this research in the paddy fields conducted shallow Under-drainage in Fukuroi city of Shizuoka prefecture. The following items on paddy fields such as soil profile, soil physical property, water content, bearing capacity, and Under-drainage discharge, water quality were measured. In order to examine the influence of under-drainage, the effect of shallow under-drainage was pursued with these obtained results. As a result, it was cleared that soil dryness progresses and soil structure progresses. Also this investigated paddy field has already been constricted under-drainage, therefore the workability of agricultural machine like rice transplanter and harvest-machine like combine were improved. In addition to the introduction new growing technique of field drainage with conversion of paddy fields into large-sized and multi-purpose one, is also being considered as significant thing. Therefore it can be considered that shallow under-drainage with sheet pipe is efficient to field drainage.
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© 1998 土壌物理学会
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