F. Y. Cheng

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BACKGROUND The pan-tropical genus Ardisia has more than 400 species and is of high horticultural and medicinal value. Due to overexploitation it is important to conserve the germplasm of this genus. OBJECTIVE To investigate the feasibility and methods of cryopreservation for long-term seed storage of three Ardisia species: A. elliptica Thunb., A.(More)
OBJECTIVE To study the characteristics of the SiO2/R2O3 in non-zonal purple soil in the light of the difference between the high yield and low yield of Salvia miltiorrhiza. METHOD Both the high yield and low yield drugs developed from the same parental material (k1cy) were chosen in the ecology area in Zhongjiang county, Sichuan Province. By using the(More)
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