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Controlled release fertilizers are traditional fertilizers encapsulated in a shell that degrades at a specified rate. Sulfur is a typical encapsulation material. Other coated products use thermoplastics (and sometimes ethylene-vinyl acetate and surfactants, etc.) to produce diffusion-controlled release of urea or other fertilizers. "Reactive ...
Nitrogen fertilizer being applied to growing corn in a contoured, no-tilled field in Iowa.. Nutrient management is the science and practice directed to link soil, crop, weather, and hydrologic factors with cultural, irrigation, and soil and water conservation practices to achieve optimal nutrient use efficiency, crop yields, crop quality, and economic returns, while reducing off-site transport ...
A controlled-release fertiliser (CRF) is a granulated fertiliser that releases nutrients gradually into the soil (i.e., with a controlled release period). [57] Controlled-release fertilizer is also known as controlled-availability fertilizer, delayed-release fertilizer, metered-release fertilizer, or slow-acting fertilizer. Usually CRF refers ...
The journal covers research on the controlled release and delivery of drugs and other biologically active agents. Announcements and reports of future meetings pertaining to the activities of the Controlled Release Society are also included. According to the Journal Citation Reports, the journal has a 2022 impact factor of 10.8, ranking it 10th ...
The journal was established in 1956 as Entomophaga and published by Lavoisier, before moving to Springer and obtaining its current name in 1998. [1] BioControl is published bimonthly. [2] From 1998 to 2006, Heikki Hokkannen was the editor-in-chief. The current editor-in-chief is Eric Wajnberg (INRA, France). [3]
It was established by the American Chemical Society to serve as a sister journal to their existing journal, Environmental Science & Technology, with an expedited time to publication. [1] To this end, the journal publishes all articles as soon as publishable after acceptance, though they are also summarized in monthly issues. [ 2 ]
The science of controlled release developed further with more oral sustained-release products in the late 1940s and early 1950s, the development of controlled release of marine anti-foulants in the 1950s, and controlled release fertilizer in the 1970s where sustained and controlled delivery of nutrients was achieved following a single ...
The artificial solution described by Dennis Hoagland in 1933, [1] known as Hoagland solution (0), has been modified several times, mainly to add ferric chelates to keep iron effectively in solution, [6] and to optimize the composition and concentration of other trace elements, some of which are not generally credited with a function in plant nutrition. [7]