Analysis of Microclimate and Soil Environment for Young Tea Orchards under Intercropping Medicinal Plants
To investigate the effects of intercropping with medicinal plants on microclimate and soil conditions of young tea orchards,temperature,humidity,soil nutrient content,and soil enzyme activity of tea were measured.Mono-cropping tea orchards were used as a control,and intercropping involving three medicinal plants:Rhizoma Corydalis,Isatidis Radix and Radix Isatidis.The examination of correlation was conducted,and the findings demon-strated that intercropping with medicinal plants could significantly lower air temperature and increase air humidity in tea orchards,with Radix Isatidis having the greatest impact.During various phases of development,intercrop-ping tea plantations exhibited increased soil components.In comparison to mono-cropping tea plantations,the soil s available nitrogen,phosphorus,and potassium contents were all higher at the mature harvesting stage,each growth stage,and the middle development stage,respectively.In addition,the intercropping Radix Isatidis tea plantations had the highest concentration of soil constituents.Radix Isatidis intercropping had significantly higher soil urease and sucrase activity than other intercropping types at the middle stage of development.Correlation anal-ysis showed that soil urease had a positive correlation with soil soil nutrient content,while soil sucrase had a posi-tive correlation with soil available potassium,and catalase had a positive correlation with soil pH and available po-tassium.
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