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Fertilizing in sandy soil

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Phu Cat starts with ...
The instructions on my citrus fertilizer call for fertilizing every 90 days, but I live in an area with very sandy soil. Should I fertilize more frequently?
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Phu Cat
Ocala, Florida
14th June 2015 2:17am
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Manfred says...
You should give them nitrogen more frequently (Perhaps fortnightly in small doses) anyway, potassium at least three monthly and phosphorus perhaps a little less frequently, but with the potassium is OK.

The need for other nutrients will vary according to the age of the trees, other soil conditions, and the purpose you are growing your citrus trees for. If you are growing commercially, it would be reasonable to assume that they are getting enough water for maximum production and you are using a specific citrus fertiliser. Three monthly would be OK.

In a home garden, even if you only fertilised twice a year you would be doing more than most. If you give a "luxury" level of fertility it doesn't matter anyway because you aren't trying to maximise profit.

Rainfall and humidity are as important to fertilisation requirements as soil structure generally, but the shallowness of citrus feeding roots means you need to keep the top six inches of the soil in good condition out to the dripline. Mulch- but not too deeply, and poo, and heaps of nitrogen.
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Manfred
tully
14th June 2015 8:40pm
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