GLYCOLURIL AS A SLOW RELEASE NITROGEN FERTILIZER

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概要

• 論文の詳細を見る

• In order to develop a new slow release nitrogen fertilizer, the characteristics and synthesis of glycoluril (tetrahydro-imidazo[4,5-d] imidazole-2,5(1H, 3H)-dione) were examined. Physical tests, mineralization test, phytotoxicity and bacterial growth tests were carried out with the compound. Glycoluril was mineralized after a lag period under aerobic conditions and its fertilization effect lasted for a long time. At a heavy dose glycoluril was not toxic to Brassica seedlings and it was not toxic to fish even when used in a saturated aqueous solution. In the reaction of urea with glyoxal, a high yield of glycoluril was obtained by decreasing the concentration glyoxal in the solution. Under the optimum reaction conditions, we obtained a yield of glycoluril as high as about 90%, compared with about 60% by the conventional method.

• 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.

• Shimizu Toshio

  Technical Research Laboratory. Asahi Chemical Industry

関連論文

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