Granular controlled release fertilizer for Dendrobium officinale and preparation method thereof

• Main Author: ZHANG YUANGUO
• Format: Patent
• Language: English
• Published: 06.05.2015
• Subjects: CHEMISTRY; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; FERTILISERS PRODUCING CARBON DIOXIDE; INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; 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; ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE

The invention belongs to a plant cultivation fertilizer and in particular relates to a granular fertilizer for planting Dendrobium officinale and a production method of the granular fertilizer. The production method comprises the following steps: mixing fermented bean cake, rapeseed cake, pine needles and oak leaves with calcium magnesium phosphate, ferrous sulfate, lemongrass, lysimachia foenum-graecum, mint and camphor tree leaves, drying and granulating. The specially-prepared fertilizer can improve the soil structure to enable soil to be rich in organic matter, can prevent soil caking due to overmuch fertilizer application, can effectively improve the physical and chemical properties and the nutrient status of soil, can promote the absorption of plants to nutrients and moisture, has a positive effect on soil microorganisms, has good yield-increasing effect, can meet the nutritional requirement of the Dendrobium officinale, is capable of improving the transplanting survival rate of Dendrobium officinale seedlings and improving the quality and the growth speed of the Dendrobium officinale, enables the Dendrobium officinale to grow rapidly and also has insect expelling, killing and preventing effects.