Granular controlled release fertilizer for Dendrobium officinale and preparation method thereof

Abstract

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.

Description

technical field

[0001] The invention belongs to a plant cultivation fertilizer, in particular to a granular fertilizer for planting Dendrobium officinale and a production method thereof. Background technique

[0002] Dendrobium, especially Dendrobium candidum, is a precious traditional Chinese medicine in my country and a national second-class protected plant. It is known as "Chinese Immortal Grass" and "Gold in Medicine". The world is called "the giant panda in the medicine world". It has the effects of immune regulation and anti-aging. Not only is it an essential raw material for the familiar "Mailuoning Injection", it is also an essential raw material for dozens of Chinese patent medicines and health care products. In "Shen Nong's Materia Medica", Dendrobium candidum is listed as the top grade, which has the functions of nourishing yin and moistening lung, nourishing stomach and promoting body fluid, moistening lung and relieving cough. Modern pharmacological studies ha...