Patent
Foliar fertilization method and composition
Reads0
Chats0
TLDR
In this article, aqueous urea solutions suitable for foliar application containing mineral or organic acids, or both, in the presence or absence of a pH buffer having pH values between about 6 and 7.6.Abstract:
Aqueous urea solutions particularly suited for foliar fertilization are disclosed. They are characterized by low phytotoxicity, low corrosivity, and improved toxicity stability and comprise urea nitrogen and between about 0.005 and about 0.1 molar equivalents per mole of urea of a pH buffer having a buffering point between about 6 and about 7.6. Also provided are aqueous urea solutions suitable for foliar application containing mineral or organic acids, or both, in the presence or absence of a pH buffer having pH values between about 6 and 7.6. Either solution is foliarly applied at substantially non-toxic rates of at least about 10 pounds of nitrogen per acre.read more
Citations
More filters
Journal ArticleDOI
Enhanced efficiency fertilisers: a review of formulation and nutrient release patterns
Yakindra Prasad Timilsena,Yakindra Prasad Timilsena,Raju Adhikari,Philip S. Casey,Tim H. Muster,Harsharn Gill,Benu Adhikari +6 more
TL;DR: relevant aspects of new developments in fertiliser production and use, agronomic, economic and environmental drives for enhanced efficiency fertilisers and their formulation process and the nutrient release behaviour are reviewed.
Patent
Noncorrosive urea-sulfuric acid compositions
TL;DR: Improved, liquid, urea-sulfuric acid reaction product compositions, noncorrosive to carbon steel, contain about 5 to about 75 weight percent urea and about 85 weight percent sulfuric acid, 0 to 75 water, and a corrosion inhibiting amount of certain dialkylthioureas.
Patent
Noncorrosive urea-sulfuric acid reaction products
TL;DR: Improved liquid urea-sulfuric acid compositions as discussed by the authors contain about 5 to about 75 weight percent urea, about 15 to 20 weight percent sulfuric acid, 0 to 75 water and a corrosion inhibiting amount of a cupric ion-containing compound.
Patent
Methods for removing obstructions from conduits with urea-sulfuric acid compositions
TL;DR: In this article, the urea-sulfuric acid compositions which contain water and which have H2 O/(urea+H2 SO4) molar ratios below about 2.5 are particularly useful for removing obstructions by partial or complete hydrolysis.
Patent
Topical fertilization methods and compositions for use therein
TL;DR: Improved liquid fertilizer compositions for applying urea to the soil surface contain urea-sulfuric acid reaction products having high H 2 SO 4 /urea molar ratios and are free of toxic components such as sulfamic acid normally associated with such products as mentioned in this paper.
References
More filters
Patent
Method for preventing creasing in citrus fruit
Aharon Beresky,Avigdor Bar-Akiva +1 more
TL;DR: In this article, a method for a significant reduction of creasing in citrus fruit was proposed, which consists in applying an aqueous solution of urea phosphate to the citrus fruit.