Zone Mesa az. | Anonymous added on November 11, 2017 | Answered
Last year we had large grapefruit and the tree was loaded. This year are very small. What happened ?
Answered on November 12, 2017
Too much nitrogen fertilizer can inhibit fruit production and cause small fruit. Or, leaving too many fruit on the tree can cause each fruit to be small. In that case, they should be thinned. Other possibilities are here:
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