STUDIES ON THE USE OF HYDANTOIN-RELATED COMPOUNDS AS SLOW RELEASE FERTILIZERS

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概要

• 論文の詳細を見る

• In order to develop nitrogen fertilizers with controlled release characteristics, more than 20 hydantoin-related compounds were synthesized and subjected to the physical and mineralization tests, phytotoxicity tests and bacterial tests. Compounds in the C-5 alkylhydantoin and α-ureidoalkylamide groups showed low rates of mineralization, which is the most important characteristic for a slow release fertilizer. Especially, α-ureidopropionamide and α-ureidobutyramide showed slightly lower rates of mineralization and nitrification than those of CDU (crotonylidene diurea), and the nitrogen contents of these compounds were approximately the same as that of CDU. α-Ureidopropionamide application promoted plant growth. These C-5 alkylhydantoin and α-ureidoalkylamide compounds offer a potential as new slow release fertilizers.

• 社団法人日本土壌肥料学会の論文

著者

• Shimizu Toshio

  Technical Research Laboratory Asahi Chemical Industry Co. Ltd.

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