I have a new plant of oranges. It has a lot of oranges but they are very sour. What can I do to get sweeter oranges?
Certified GKH Gardening Expert
Try increasing the fertilizer and making sure the soil is slightly acidic. This should sweeten the fruit. This article should also help: https://www.gardeningknowhow.com/edible/fruits/citrus/fertilizing-citrus-trees-best-practices-for-citrus-fertilizing.htm