ninam_gw

When to fertilize zone 9

ninam
last year

Plants were all fertilized according to recommended schedule in our zone 9 sandy soil which has few if any nutriants. Now it is end of December and some of leaves show deficiency- soil tests also show depleated nitrogen and potassium -especially concerning for large sago. Do you fertilize according to tests, or wait until end of Feb. as recommended?

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