Weeding and weed control method in planting production process of traditional Chinese medicinal material astragalus membranaceus

Abstract

The invention discloses a weeding and weed control method in planting production process of traditional Chinese medicinal material astragalus membranaceus. The weeding and weed control method comprises the steps of plowing after autumn harvest one year before planting, performing watering after soil thawing in spring, spraying a pre-emergence herbicide, smashing weeds through a pre-planting powerharrow, planting astragalus membranaceus, spraying the post-emergence herbicide, spraying brassinolide, manually pulling out weeds and treating weeds around a field. A field and surrounding land parcels are regarded as a whole, five years are taken as a period, in the second to third years, if the density of all kinds of weeds in the field is 0.4 plant / m<2> or below, post-emergence herbicides arenot used any more, post-emergence herbicides and artificial weed pulling are not used in the fourth year, and pre-emergence herbicides, post-emergence herbicides and artificial weed pulling are not used in the fifth year, the number of weeds in the field and the surrounding land parcel is gradually and continuously reduced, finally, herbicides are not used any more, the weeds in the field are completely eliminated, the weeding cost is greatly reduced, and the finished astragalus membranaceus product obtained from the land parcels subjected to weeding operation becomes an organic healthy product.

Description

technical field [0001] The invention relates to a weeding method in the planting process, in particular to a weeding and weeding control method in the planting and production process of the Chinese medicinal material Astragalus membranaceus. Background technique [0002] From ancient times to the present, weeds and crops have been incompatible with each other in agricultural production. Weeds have always been a headache for agricultural producers due to their strong adaptability, vigorous vitality, and short growth cycle. It leads to a large reduction in crop yield, so effective treatment of weeds plays an important role in agricultural production. [0003] The traditional weeding methods are field weeding and spraying herbicides. The first method of weeding requires manpower and time input, and because weeds have a short growth cycle and grow faster, the input cost is relatively high. The second method of weeding is due to the toxicity of herbicides, and there may be pest...

AI Technical Summary

Problems solved by technology

The first method of weeding requires labor and time input, because the growth cycle of weeds is short and grows faster, so the input cost is higher

The second method of weeding is due to the toxicity of herbicides, and there may be pesticide residues after harvesting. Astragalus, as a medicinal plant, has strict requirements for the use of pesticides, and many herbicides cannot be used. At the same time, as a relatively small herbicide Economic crops, there are no particularly effective chemical herbicides, and most of the herbicides that can be used will affect the growth of Astragalus

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