Planting method of selenium-rich tea

Abstract

The invention discloses a planting method of selenium-rich tea. The method comprises the steps including (1) establishment of a seedling growing greenhouse, (2) culture of seedlings, (3) selection and trimming of a planting land, (4) management before transplantation, (5) management after transplantation, and (6) daily management. The planting method of the selenium-rich tea disclosed by the invention has the advantages that nutrition demands for tea growth are satisfied; soil is optimized; comprehensive nutrition is provided for tea growth; nutrition demands during the tea growth are satisfied; and the planted tea has abundant selenium and high quality.

Description

technical field [0001] The invention relates to the technical field of tea planting, in particular to a planting method of selenium-enriched tea. Background technique [0002] my country is the first country in the world to grow, make and drink tea, and the cultivation of tea trees has a history of thousands of years. Tea trees have very strict requirements on the environment for their growth. For example, choose a sandy loam with a thickness of more than 1 meter, no limestone, and good drainage. This sandy loam has high organic matter content and good air permeability, water permeability, or water storage performance. , the pH value is 4.5-6.5; the rainfall is average, and the annual rainfall is above 1500mm; the light should not be too strong or too weak; the daily average temperature needs to be 10°C. Therefore, choose a mountainous area with a certain height, abundant rainfall, many clouds and fog, high air humidity, and strong diffuse light. This terrain is beneficial ...

AI Technical Summary

Problems solved by technology

[0003] With the improvement of people's living standards, the enhancement of health awareness and the rise of tea culture, people's demand for tea quantity and quality is gradually increasing and improving. Selenium-enriched tea on the market is very popular because of its good health care functions. At present, there are two main ways to obtain selenium-enriched tea. One is to choose selenium-rich areas for planting. This method is easily affected by geographical location, because tea growth conditions are relatively harsh, and selenium-rich areas are not necessarily suitable for tea planting. There are 72% counties (cities) in China with low selenium or selenium deficiency, Keshan disease and Kaschin-Beck disease occur in serious selenium deficient areas such as Heilongjiang, Inner Mongolia, Gansu, Qinghai, Sichuan, and some cancer high incidence areas (such as Qidong City, Jiangsu) also have It belongs to the low-selenium area, and the selenium content of tea naturally grown in this kind of place must be very low; secondly, through the supplementation of exogenous selenium in tea plantation, the tea can naturally absorb selenium, which has achieved the purpose of "enriching selenium". The production methods of selenium tea are as follows: For example, the Chinese invention patent, the publication number is: CN101779542A, and the name is: the production method of Huangshan Maofeng tea rich in organic selenium. This method can ensure that the tea reaches the selenium-rich standard and increase the organic selenium content of tea. However, due to the use of soil root application in the mid-term of crop growth, it cannot ensure that the nutrients are fully absorbed by the tea trees. Most of the selenium in the nutrients will remain in the soil, and will be lost with rainwater or irrigation water, thereby increasing the selenium content in the soil and water environment. Burden, long-term use can easily lead to selenium pollution; another Chinese invention patent, publication number: CNCN103798015A, titled: Healthy ecological planting method of organic selenium-enriched tea, the method is to apply fermented organic selenium in the process of fertilizing tea trees Fertilizer, for the tea tree to absorb selenium element, the selenium content of the tea leaves of one bud and one leaf picked after fertilization is 0.350 μg / g, and the selenium content of the tea leaves of one bud and two leaves is 0.424 μg / g, the present invention uses selenium fertilizer and household miscellaneous fertilizer Fermentation together, first activates the activity of selenium, and second, a large amount of household miscellaneous manure wraps the selenium element, which protects the selenium element from direct contact with the soil, ensures that the soluble selenium content is high, and is conducive to the root absorption of tea trees, but only through Fertilization method Applying selenium fertilizer does not necessarily guarantee the absorption of selenium and transformation of selenium in tea; therefore, it is necessary to explore a planting method for tea rich in selenium to meet people's requirements for selenium-rich tea