Multifunctional biological medicinal microelement fertilizer

• Main Author: ZENG ZHIZHONG
• Format: Patent
• Language: Chinese; English
• Published: 24.08.2018
• Subjects: CHEMISTRY; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; MANUFACTURE THEREOF; METALLURGY; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS

The invention discloses a multifunctional biological medicinal microelement fertilizer which consists of a microelement fertilizer, a biological insecticide, a bactericide, medical stone, potassium feldspar and activated humic acid. The preparation method comprises the following steps: grinding the medical stone and potassium feldspar, and adding the powder into hydrogenated vegetable oil, nim oiland polyhydric alcohols for stirring for 10-30 minutes; performing ultrasonic dispersion for 3-5 minutes, raising the temperature to 50-60 DEG C, fully stirring, blending and polymerizing to obtain amedical stone and potassium feldspar mixture of vegetable oil polyols, performing atomized spraying with the biological insecticide and the bactericide under a certain temperature and humidity conditions, and performing adsorption treatment to produce a sustained release pesticide powder complexing agent with effects of killing insects and bacteria; uniformly stirring with the microelement fertilizer according to a ratio,