What is the correct amount and way to fertilize citrus trees?
The trees should be fertilized at least three times a year in October, February and June. For any type of citrus, measure the circumference at the base of the trunk and calculate one pound of citrus fertilizer for every inch measured. Then divide this amount into three applications. Keep the area underneath the tree clear of all grass, weeks and mulch. Be careful not to injure the trunk in any way, as this allows certain diseases to enter the tree Remember trees in the ground less than seven years are considered immature and the fruit load will be less than when they are mature. We have just installed a sprinkler system, which reaches our orange and grapefruit trees. They are being watered twice a week for about an hour in the morning. Is this the right amount of water for the trees? Also, when and how should we trim them? A heavy soaking of water once a week is adequate. Any more and fruit will drop. Trimming is on an as-needed basis only to remove sprouts from below the graft and any
