The use of manures

Question

How often should I add manures to my fruit plants? Every month?

Answer 1

Manure is not a good idea to use for fertilizing.
It can burn the plants and cause to high of Nitrogen that will inhibit flowering and fruit formation.

Manure needs to be composted adequately.

Here are some links for you.

https://www.gardeningknowhow.com/composting/manures/the-benefits-of-manure-in-your-garden.htm
https://www.gardeningknowhow.com/composting/manures/
https://extension.unh.edu/resources/files/Resource000584_Rep606.pdf