Investigation of soil physical and chemical indicators and content of alkaloid of Hechi wild Sophora tonkinensis and their correlation analysis

doi:10.14088/j.cnki.issn0439-8114.2023.05.016

Abstract

Abstract: In order to study the relationship between the nutrient requirement and the alkaloid content of wild Sophora tonkinensis Gagnep., Fengshan County, Luocheng County and Yizhou City of Hechi City were taken as the sample point. The pH, nitrogen, phosphorus, potassium, organic matter of soil and alkaloid content of wild Sophora tonkinensis were investigated, and their correlation was analyzed. The results showed that the organic matter content and nitrogen content of soil of Fengshan County were the highest. The total phosphorus and available phosphorus content of soil of Yizhou City was the highest, and that of Fengshan County was the lowest. The total potassium content of soil of Luocheng County was the highest, and that of Fengshan County was the lowest. The content of available potassium of soil of Yizhou City was the highest, and that of Fengshan County was the lowest. The alkaloid content of Sophora tonkinensis of Yizhou City was the highest, with 9.96 mg/g, which was higher than that of Fengshan County and Luocheng County. The result of correlation analysis showed that there was a positive correlation between alkaloid content of wild Sophora tonkinensis and the pH, organic matter content, total phosphorus, available phosphorus, total potassium, and available potassium content of soil of different habitats, while the correlations between alkaloid content of wild Sophora tonkinensis and total nitrogen, available nitrogen content of soil were negative. Therefore, reasonable fertilization should be made in production accordance to the actual conditions.

Key words: Sophora tonkinensis Gagnep., alkaloid, soil physical and chemical indicators, correlation analysis

CLC Number:

S567.9

SU Jiang, CEN Zhong-yong, XIE Yan-jun. Investigation of soil physical and chemical indicators and content of alkaloid of Hechi wild Sophora tonkinensis and their correlation analysis[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(5): 88-91.

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