Navel orange peel residue selenium-rich fertilizer for cultivating high-quality selenium-rich navel oranges and preparation method of navel orange peel residue selenium-rich fertilizer

The invention discloses an application method of a navel orange peel residue selenium-rich fertilizer for cultivating high-quality selenium-rich navel oranges, which comprises the following steps: respectively spraying a selenium fertilizer on leaf surfaces of plants in any two periods of a flowerin...

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