培養による溜池水中の不足有効成分の検出に就て
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概要
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In order to find out the shortage of effective element in three different pools water. We filtered the water in each pool and took 200cc into a flask respectively, and after adding them one or two drops of 1-5% solution of various reagents, cultivated Oosystis for 20-50days in them indoors. The element, which had been added to the remarkably multiplied group of the cultivated plant, is to be regarded as the shortage of effective element; that is as follows. Shortage of Oikes water was Organic matter and N-Compound same times Fe-Compound and P-Compound. Shortage of Shinikes water was Organic matter and P-Compound. Shortage of Asama-ike water was N-Compound and Organic matter.
- 公益社団法人 日本水産学会の論文