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1d ago
Are we overfertilizing our fields? Researchers challenge conventional soil testing
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A new study led by Dr. Shikma Zaarur of the Hebrew University of Jerusalem, in collaboration with Dr. Ran Erel of the Agricultural Research Organization–Volcani Institute, reveals that agricultural soils may contain a substantial unaccounted-for reservoir of potassium, an essential nutrient for plant growth, that is largely overlooked by conventional soil testing methods. The findings could pave the way for more precise fertilizer recommendations, potentially reducing unnecessary fertilizer use
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