Soursop/annona and longan fertilizer advice.

[Tony714]

Hi guys,

I'm new and live in zone 10b.  I have soursop and longan trees.  They were air layer and in ground for 1 year now. Iam asking fertilizer (organic) for these trees and any advive woould be appreciated. 

Ps:  im fish tanks and using it to water my trees.

Thank you in advance,

Tony714