The effect which paddy field irrigation water exerts on water for field supplement
1998
Osari, H. (National Research Inst. of Agricultural Engineering, Tsukuba, Ibaraki (Japan)) | Tanaka, R. | Aizawa, T.
In region of Chiba prefecture coast, the operation which preserves an underground water level using irrigation water highly can be doing. This operation an underground water stop said. It is said that this operation has the effect which makes an underground water level of neighborhood whole rise, as a result it has a water for irrigation supplement effect to field, too. But, the benefit of a filed isn't objectively proved. In fields of Kujukuri coast area, we investigated a relationship of rainfall with an underground water level with rainfall and drainage water level etc.. As a result, we defined following. We define effect of an underground water stop exerts on underground water level rise effect in Kujukuri area where soil texture is mainly soil. And, we define effect of an underground water stop has an effect on water for irrigation supplement of a field place
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