![]() liquid fertilizers made from free ammonia, urea, phosphoric acid, potassium hydroxide and nitric acid have numerous advantages from both the use and the manufacturing standpoints and, when supplemented by a wetting agent in effective quantities, they are absorbed by the plants in tremendously increased manner, thereby practically eliminating any possibility of leeching, evaporation or any other form of loss.This invention relates to compositions of matter which are intended to assist plant growth, and more particularly to liquid fertilizers.Y10S47/10- Physical and chemical treatment of agricultural soils.Y10S- TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS AND DIGESTS.Y10- TECHNICAL SUBJECTS COVERED BY FORMER USPC.Y- GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS AND DIGESTS.C05B7/00- Fertilisers based essentially on alkali or ammonium orthophosphates.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Individual filed Critical Individual Priority to US449247A priority Critical patent/US2770538A/en Application granted granted Critical Publication of US2770538A publication Critical patent/US2770538A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US449247A Inventor Donald E Vierling Current Assignee (The listed assignees may be inaccurate. Google Patents US2770538A - Liquid fertilizersÄownload PDF Info Publication number US2770538A US2770538A US449247A US44924754A US2770538A US 2770538 A US2770538 A US 2770538A US 449247 A US449247 A US 449247A US 44924754 A US44924754 A US 44924754A US 2770538 A US2770538 A US 2770538A Authority US United States Prior art keywords nitrogen liquid phosphoric acid fertilizers liquid fertilizer Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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