Comparative Effects of Nitrogen Fertigation and Granular ...
Sep 19, 2011· Plants fertilized with the highest rates of ammonium sulfate suffered from apparent salt stress (leaf necrosis and, in severe cases, plant death) during the first summer after planting. As mentioned above, 44–50% died and had to be replaced when granular ammonium sulfate was applied at a rate of 150 kg·ha −1 N (Figure (Figure2). 2 ).