Friday, June 30, 2017

田んぼの塩分測定結果


田んぼの上部の水の塩分濃度測定の結果は30パーセントでした


田んぼの土の混ぜた状態の水の塩分濃度は３１パーセントでした



# posted by 塩分測定 : 10:54 PM
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