Q.I Have 5 Yrs Old Pakistany Mulberry Tree, In March I Get Fruit And In 2 Week All The Fruita Fall The
I fertilize 2 times a year and I water one a week in winter, a d 3 times a week in sumer, The tree was in 24 inch box

Certified GKH Gardening Expert
Cut back on the watering. Water deeply, but less often. Also, fertilize just once in spring. Poor pollination can cause fruit drop, so increase your plants that attract pollinators. I assume the tree is planted and not still in a container. Here is more:
https://www.gardeningknowhow.com/ornamental/trees/fruitless-mulberry/how-to-grow-mulberry-trees.htm
https://www.gardeningknowhow.com/ornamental/trees/fruitless-mulberry/mulberry-fruit-drop.htm