Why Did My Pear Trees Bears Small Fruit

Question

I recently purchased a house with 2 pear trees. At the beginning of the summer, the trees had small pears about twice the size of a pea. They did not grow any bigger and mature into full size pears. My question is why didn’t they mature?

Answer 1

Thats a Phosphorus deficiency, you need to buy a Phosphoric fertilizer or just purchase the mixture of fertilizer NPK 3:2:3