Dr. Fabio Vale, IPI Coordinator for Latin America, presented this poster at FERTBIO (Brazilian Meeting of soil Science and Plant Nutrition) in October 2016.
The poster "Calcium and magnesium movement in the soil profile using polyhalite in potassium fertilization in soybean" summarises a recent experiment. The experiment showed that the application of Polysulphate increased Ca and Mg in the whole soil profile, increasing Ca by 23% and 8% respectively in layers 0-20 and 20-40 cm. For Mg this increase was 25% and 17% for the same layers. An increased S content was measured in the soil profile, especially in the 20-40 cm layer.
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