Bigen fruit seedling breeding base in Suqian

graft fruit seeding breeding base worker farmer Suqian China August 17 2024 skilled workers grafting fruit seedlings Bigen fruit seedling breeding base Jiangsu province Costfoto NurPhoto agriculture horticulture breeding tree grafting plant propagation fruit trees nursery cultivation farming agricultural techniques seedling production horticulturists plant nursery grafting techniques fruit farming Chinese agriculture plant breeding Suqian horticulture Jiangsu agriculture agricultural workers grafting process plant science.