Double-membrane double-control slow release fertilizer
A controlled and slow-release fertilizer technology, applied in the field of slow-release fertilizers, can solve the problems of not achieving long-acting effects and short release periods
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[0012] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with technical points and crop experiment examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0013] The embodiment of the present invention provides a double-film double-control slow-release fertilizer. The double-film double-control slow-release fertilizer is a double-coated urea formed by wrapping large particles of urea in sulfur and then wrapping a water-soluble resin material, and adding urease to inhibit it. It is a slow-release fertilizer blended with stabilized compound fertilizers of additives and nitrification inhibitors. The double-coated urea controls the release of nitrogen fertilizer from urea, and the stable NPK compound fertilizer controls the release of nitrogen fertili...
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