How often is chicken manure applied?

Take roses for example. Chicken manure is usually applied once a year. Fertilize the ground-planted roses every winter, and apply it about 30 cm away from th

Take roses for example. Chicken manure is usually applied once a year. Fertilize the ground-planted roses every winter, and apply it about 30 cm away from their roots. Digging a deep ditch and putting chicken manure in it can not only ensure a better winter, but also promote better germination in the next spring. When potted roses are changed, chicken manure can be applied once, and chicken manure should be mixed with soil.