Can Fengyuan apricot be pollinated without trees?

Fengyuan apricot should not be pollinated by trees. The self-pollination rate of Fengyuan red apricot is low, so it needs to be equipped with pollination trees, which is better than Goldsun apricot, and the ratio of pollination trees is 5: 1. Fengyuan red apricot tree has strong adaptability to soil, and the soil PH is the best at 6.9-7.3, and it grows weakly and yellows in alkaline soil above PH 7.5.