Based on the projection of the canopy, dig a 20-30cm wide annular ditch or strip ditch along its projected edge, and the depth is based on the exposed part of the root system (about 30-50cm). Mix the water-retaining agent with fine soil or fertilizer evenly and then apply it. The middle and lower part of the ditch shall be filled with soil for irrigation. Application rate: for young trees: 20-80 g/plant; mature trees: 80-200g/plant.
It is suitable for apple, cherry, jujube, pear, peach, walnut and other fruit trees.