Special fertilizer for cadmium reduction of ligusticum wallichii and application method of special fertilizer

Abstract

The invention relates to a special fertilizer for cadmium reduction of ligusticum wallichii and an application method of the special fertilizer; the special fertilizer comprises a soil conditioner anda microbial agent, and the soil conditioner comprises a Womeike soil conditioner; the microbial agent comprises the components: bacillus subtilis, bacillus megatherium, bacillus laterosporus, paenibacillus polymyxa and trichoderma harzianum. The application method comprises the steps: applying the special cadmium-reducing fertilizer for ligusticum wallichii as a base fertilizer, spreading one week before ligusticum wallichii is planted, and covering with soil; the special fertilizer for cadmium reduction of ligusticum wallichii is used for reducing heavy metal absorption of the ligusticum wallichii medicinal material. The method solves the problems that existing ligusticum wallichii genuine production area soil is polluted by heavy metals, the cadmium content in ligusticum wallichii rhizomes seriously exceeds the standard due to the strong enrichment effect of ligusticum wallichii on cadmium in cultivation soil, and the drug use safety and market requirements of ligusticum wallichii are greatly influenced.

Description

technical field [0001] The invention relates to the technical field of agricultural fertilizers, in particular to a special fertilizer for reducing cadmium in Rhizoma Chuanxiong and an application method thereof. Background technique [0002] Ligusticum Chuanxiong is the dry rhizome of Rhizoma Chuanxiong of Umbelliferae, with pungent and warm nature, and returns to the Liver, Gallbladder and Pericardium Meridians. Promoting blood circulation and promoting qi, expelling wind and relieving pain. For headache, rheumatic arthralgia, amenorrhea dysmenorrhea, tumbling, swelling and pain, etc. Ligusticum chuanxiong contains active ingredients such as ligustrazine and ferulic acid. The first part of the "Chinese Pharmacopoeia" 2015 edition included 1,493 prescriptions of traditional Chinese medicines, of which 239 were preparations containing Ligusticum chuanxiong, accounting for 16.01%. "Recorded 3,798 traditional Chinese medicine preparations, including 487 preparations containi...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems mentioned in the background technology, the present invention proposes a special fertilizer for reducing cadmium in Rhizoma Chuanxiong and its application method, which solves the problem that the soil in the original land of Rhizoma Chuanxiong is polluted by heavy metals, and the strong enrichment effect of Rhizoma Chuanxiong on cadmium in the cultivated soil The cadmium content in the rhizome of Chuanxiong seriously exceeded the standard, which had a huge impact on the safety of Chuanxiong and the market demand.