A, origin and distribution 1, native to the United States and northern Mexico, now widely distributed in the United States, Canada, Mexico, Brazil, Argentina, Peru, Italy, France, Australia, Japan, China and other places.

2, China's Hebei, Henan, Jiangsu, Zhejiang, Fujian, Jiangxi, Hunan, Sichuan and other places are cultivated.

Two, the origin of the environment 1, like warm and humid climate, adaptable to the soil, intolerant of drought, intolerant of barren.

2, suitable for growth in the alluvial plains or river valleys with deep, loose, humus-rich soil, with deep roots.

Three, the method of purchase 1, observe whether the Bigen fruit is full, whether the color is uniform, and select the same size.

2, select the shell thin white, large round, dry outer skin of the fruit, in the observation of the kernel, select the peach kernel slice open large, white color, plump.

3, observe whether the seed kernel oil, sticky hands, if so, do not buy.