I started out using regular bag fertilizer like 10-10-10 or 13-13-13. By sprinkling around the dripline. This didn't hardly help much at all. I since started using my Dibble tool and put fertilizer in some holes so it don't wash away. I tested tree spikes that same year and was amazed how well they work. Since then I have been just using tree spikes in my fruit and sawtooth orchard. More expensive but kinda easier to regulate how much to put. I still use bag fertilizer some too but really like the Dibble tool and tree spikes. It cost 1.20 or 1.80 per tree for the spikes and would be much cheaper by bag fertilizer but the spikes are fast to put down and effectiveWhat did you fertilize with?
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