when to fertilize citrus trees in california

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2 to 3 years old

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  • When should I fertilize my Trees in Florida?

  • Split the total amount of fertilizer into three lots and apply one each in February, early May, and June. To fertilize a tree, measure the amount of fertilizer needed and scatter it evenly on the soil below the tree鈥檚 canopy but not near the trunk.

  • How often should I fertilize my citrus tree?

  • Nitrogen is the chief nutrient required by citrus and should be applied each year. Phosphorus and potassium do not need to be applied as often since they are held in the soil much longer than nitrogen. A mature citrus tree should receive enough fertilizer each year to supply one pound of actual nitrogen.

  • What is the best guide for citrus fertilizer practices in California?

  • Leaf and soil analyses as guide for citrus fertilizer practices in southern California orchards. California Agriculture 14 (10), 13-14. Chapman, H.D., 1968.

  • When is the best time of year to apply fertilizer?

  • So fertilizer timing starts with when the first frosts might come. Along the coast in Southern California, the last nitrogen application should be no later than October 1, in preparation for frosts than can occur in December. Nitrogen can resume March 1 in most cases. Then the next issue is how frequently to apply nitrogen after that.

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