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Download PDF The benefits of applying micronutrients through foliar applications are well established, but what about when the crop is too small to take it up? CPM assesses the value of a micronutrient coating applied to granular fertiliser. Relying solely on foliar applications to give a crop what it requires simply isn’t good enough. By Tom Allen-Stevens Chances are, if you have crops in the ground, they’re getting a bit hungry. And that won’t just be for nitrogen and other major nutrients – there are around seven micronutrients considered essential for healthy crops, and attention to these are unlikely even to get a look-in until you get the sprayer out. “The agricultural supply industry has created a dichotomy around crop nutrition whereby macro-nutrients are delivered in solid and liquid fertilisers and micronutrients are generally supplied as foliars within the crop protection programme,” notes technical director at Origin Fertilisers Peter Scott. “This dichotomous approach makes proper, integrated nutrient management planning difficult.” R&D development manager at Agrii Jim Carswell has similar concerns. “Relying solely on foliar applications to give a crop what it requires simply isn’t good enough,” he says. “The crop needs the right balance to get established and to get…
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