Experimental samples were collected on 15 December 2023 from the forest-medicinal planting base, College of Tropical Crops, Yunnan Agricultural University.
More...Experimental samples were collected on 15 December 2023 from the forest-medicinal planting base, College of Tropical Crops, Yunnan Agricultural University. The experimental base has a subtropical monsoon climate, with an average annual temperature of 15-20.3 degrees Celsius, annual frost-free period of more than 315 days, annual rainfall of 1,100-2,780 mm, and a rainy season from June to October. The region consists mostly of sandy and clay soil. The experimental base is a rubber forest, with most trees more than 10 years old. A. katsumadai, A. villosum, A. officinarum, A. oxyphylla, and B. cusia plants were grown in the rubber forest for more than 3 years. Fresh A. katsumadai, A. villosum, A. officinarum, A. oxyphylla, and B. cusia rhizosphere soil samples were used in the experiment
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