Meticulous Overview on the Controlled Release Fertilizers
نویسندگان
چکیده
منابع مشابه
Controlled - Release Fertilizers : Advances and Challenges
Controlledrelease fertilizers (CRFs) offer an excellent option to improve nutrients uptake by plants and reduce the environmental hazards due to excess release of chemicals. Polymer-coated fertilizers, compared to the other types of CRF, are by far the most intensively researched topic because of their great characteristics. Polymercoated fertilizers, which are less sensitive to the soil and en...
متن کاملA Novel Function of Controlled-Release Nitrogen Fertilizers
Nitrogen is the most important essential nutrient that plays a major role in achieving maximum crop yield in agriculture. Therefore, nitrogen fertilizers such as ammonium sulfate and urea have been extensively used in modern agriculture. These fertilizers are generally oxidized to nitrate via nitrite by nitrifying microorganisms in the agricultural field (4, 10, 11). The serious environmental p...
متن کاملOverview of Controlled Release Mechanisms
Controlled release systems have been developed to improve the temporal and spatial presentation of drug in the body, to protect drug from physiological degradation or elimination, to improve patient compliance, and to enhance quality control in manufacturing of drug products. When designing controlled-release systems, it is important to identify and understand particular mechanisms involved in ...
متن کاملNovel High Capacity Swelling Superabsorbent Composite and Its Potential for Controlled Release of Fertilizers
A hydrophilic macromolecular network is prepared by performing graft copolymerization of poly (sodium acrylate) chains onto salep and silica gel. The reaction parameters affecting the water absorbency of the superabsorbent composite were optimized using Taguchi method. FT-IR spectroscopy and Thermo Gravimetric Analysis (TGA) were used for confirming the s...
متن کاملA Rapid Technique for Prediction of Nutrient Release from Polymer Coated Controlled Release Fertilizers
Controlled release fertilizers (CRF) are produced with different rates and durations of nutrient release to cater to different crops with wide ranges of nutrient requirements. A rapid technique is needed to verify the label specifications of nutrient release rate and duration. Polymer-coated urea (PCU) (43% nitrogen [N]) and polymer-coated N, phosphorus (P), potassium (K) (PC_NPK; 14-14-14) fer...
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ژورنال
عنوان ژورنال: Advances in Chemistry
سال: 2014
ISSN: 2356-6612,2314-7571
DOI: 10.1155/2014/363071