Chuanminshen violaceum sunshade net covering culture method

Abstract

The invention relates to chuanminshen violaceum sunshade net covering culture technology. The technology comprises links of land selection and land preparation, seedling grading transplanting, sunshade net covering field management and the like. According to the technology, good soil with deep soil layers with the height being 400 to 800meters above sea level is selected in Sichuan Basin hilly area, chuanminshen violaceum seedlings are divided into three grades according to the root and neck diameters, the seedlings in different grades are respectively subjected to furrow opening line planting according to different densities, a sunshade net with the sunshade rate being 50 percent to 75 percent is adopted for coverage for improving the bud ratio and the regularity, the transplanting densities respectively comprise the primary seed root culture density being 30 to 33 thousand strains / 667m<2>, the secondary seed root culture density being 33 to 40 thousand strains / 667m<2> and the tertiary seed root culture density being 40 to 45 thousand strains / 667m<2>; twice reasonable topdressing is carried out, the topdressing intensity respectively meets the following conditions that the pure nitrogen converted value is 20 to 30kg / hm<2>, the K2O converted value of potassium fertilizers is 30 to 40kg / hm<2>, the pure nitrogen converted value of nitrogen fertilizers is 40 to 50kg / hm<2>, the K2O converted value of potassium fertilizers is 40 to 50kg / hm<2>, and in addition, the reasonable field management is carried out. The yield reaches a value higher than 7500kg / hm<2> (dry product), and the yield of the chuanminshen violaceum manual culture is effectively improved, and the culture cost is reduced.

Description

technical field [0001] The invention relates to the field of crop cultivation, and mainly relates to a sun-shading net-covered cultivation technique of Chuanming ginseng. Background technique [0002] Chuanming Ginseng ( Chuanminshen violaceum ) is a perennial herbaceous plant belonging to Umbelliferae (Umbelliferae). It is a unique single-species plant in my country. It is used in traditional Chinese medicine to invigorate qi and nourish yin, nourish the stomach and promote body fluid, moisten the lungs and relieve cough. It has good medicinal value and is a commonly used Chinese medicine in Sichuan. Substance and protein, have extremely high dietary health value, and have a long history of consumption. The multi-function and multi-purpose of Chuanming ginseng determine that it has a broad market prospect, and the market price in 2012 has reached more than 60 yuan / kg. Although the price of Chuanming ginseng has been rising continuously in recent years, due to the restric...

AI Technical Summary

Problems solved by technology

However, the coverage of straw is uneven, and the loss of seedlings is large when digging. In addition, due to the impact of high temperature in summer, seasonal drought or continuous rain, the seed root withers or rots, resulting in low germination rate and irregularity, and a large amount of seed root usage , so that the cultivation cost increases year by year, but the yield is very low. In traditional production areas such as Cangxi, the yield is as low as 3750kg / hm2

At the same time, the traditional cultivation method does not classify the seed roots, so that the appropriate cultivation density cannot be determined, and the product specifications vary greatly, which increases the labor cost of rough product processing and commodity classification

Because most rely on the traditional small-scale cultivation methods of farmers, there is currently no ideal cultivation technique for high and stable yields