NITROGEN is the most important element we can apply to our tree fruit crops. Almond growth and productivity depend on the availability and uptake of nitrogen. Most fertilizer recommendations are based on making nitrogen available to our trees so thata nitrogen shortage does not limit tree growth or productivity. However, it's important for growers to keep in mind that young almond trees don't require as much nitrogen as older trees. I like my fellow farm adviser Wilbur Reil's rule of "1 ounce of actual nitrogen per year of age of tree." That rate can be applied several times per season, but never more than that at any one application. Thus, a first leaf (first year in your orchard) almond tree should not receive more than 1 ounce of actual nitrogen per any application. A five-year-old almond tree should not receive more than 5 ounces of actual nitrogen per one single application.
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