Bis-alkylene pyrophosphate-urea reaction products as slow-release fertilizers

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专利权人:

THE DOW CHEMICAL COMPANY

发明人:

GORING, CLEVE A. I.,SCOTT, HENRY H.

申请号：

US19730320676

公开号：

US3883341(A)

申请日:

1973.01.02

申请国别(地区):

美国

年份:

1975

代理人:

摘要：

Bis-alkylene pyrophosphate-urea reaction products are employed as the active ingredient in slow-release nitrogenous-phosphorus fertilizers to provide a continuous supply of nutrients for improving the growth of plants.

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