Ecological producing method of traditional Chinese medicines in saline-alkali soil of yellow river delta

Abstract

The invention discloses an ecological producing method of traditional Chinese medicines in saline-alkali soil of the yellow river delta. The method includes the steps of preparing dais and low ridge in saline-alkali soil of the yellow river delta, covering the dais with degradable waterproof black mulch, covering low ridge with garden black ground fabric, sowing (transplanting) traditional Chinese medicines and making all soil except for the traditional Chinese medicines covered so that the aims of restraining weed growth and resisting saline and alkali can be achieved through light shielding, soil moisture preservation and water retention under the black mulch (black ground fabric). According to the characteristics of complementation of medicinal parts, light requirement characteristics, plant height spaces, water and fertilizer characteristics and salt resistance characteristics, different traditional Chinese medicines are planted on dais and low ridge for ecological community construction. High-quality organic fertilizer is adopted as base fertilizer, no chemical fertilizer is applied, and pesticide applying, topdressing, irrigating and weeding are generally not needed in the whole planting process. By means of the producing method, the aims of increasing the yield of the traditional Chinese medicines and improving saline-alkali soil of the yellow river delta can be achieved.

Description

technical field [0001] The invention relates to an ecological production method of Chinese medicinal materials in saline-alkali land in the Yellow River Delta, belonging to the field of agricultural technology. Background technique [0002] The Yellow River Delta is an alluvial plain formed by the Yellow River carrying a large amount of sediment in the Bohai Sea depression. The groundwater is shallowly buried and highly mineralized, and the natural evaporation is strong, so that the underground salt is easy to rise to the surface, resulting in soil salinization. At the seaside, the seawater evaporates after repeated immersion, and the saline-alkali components are gradually deposited, which in turn leads to serious salinization of the soil in the Yellow River Delta. Among them, the area of ​​salinized land in the Yellow River Delta area is 442,900 hm 2 , accounting for more than half of the total area of ​​the whole region, among which, 236,300 hm of heavily salinized soil a...

AI Technical Summary

Problems solved by technology

However, the cultivation of traditional Chinese medicinal materials in this area has been faced with problems such as low yield, poor quality, high cost and poor benefit for many years, which has made the survival of traditional Chinese medicinal materials difficult and even forced them to switch jobs.

The present invention finds that the causes of difficulties in planting and developing traditional Chinese medicinal materials in this area are mainly due to spring drought and summer waterlogging, barren soil, saline-alkali rampant and overgrown weeds through field investigation; The overgrowth competes with medicinal materials for fertilizer and sunlight, making it difficult to produce high yields, and salinization and poor soil further cause low yields of medicinal materials

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