水土无核红心柚重庆北碚水土镇产的水土红心柚，原称贺氏柚，系本世纪初从外地引入。原引入的１株为有核，经压条繁殖一批苗木，于１９１１年建园。以后由于种种原因，柚树所剩无几。从８０年代起加强管理，使树势得到恢复，植株数量也有所增加。１９８８年在该园中选出了... Water and soil without nuclear red grapefruit Chongqing Beibei soil and water town of soil and water red heart pomelo, formerly known as He’s pomelo, was introduced from the beginning of this century from the field. One of the original introduction of a nucleus, the batches of a number of seedlings breeding, built in 1911 Park. After a variety of reasons, few remaining pomelo tree. Since the 1980s, management has been strengthened to restore the tree vigor and the number of plants has also increased. Selected in the park in 1988 ...