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ウレタンと土壌の硝化作用
1956
Japanese Journal of Soil Science and Plant Nutrition
Effect of organic acid exuded frQm crop r 。 ots , up 。 n mineraliz ・ ti・ n ・ f ・ ・ganlc ph ・ sph ・ rus i 臓 soils were investig 艮 ted th 三 s time , and the results were as fellowli : ・ 1 , Crop roots , especially theircaps , were observed to liberate cont 三 nuously their surface ce1 ! s into culture ・ solution ( Photo.1and 2 ) . Rate of this liberation was so different with respect to plants as 量 n the f・ 11 。 wing order , Gramineae 》 L ・ guminosae > Sotana ・ ' eae . 2 . By paper chromatography
doi:10.20710/dojo.26.11_444_1
fatcat:uemmmosg4vczxmwnxnpgq35lju