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Variation in soil-test-based #phosphorus and #potassium rate recommendations across the southern USA https://t.co/7QOfikiFz3 #OpenAccess @OSUplantsoilsci https://t.co/o7D1zzAprY
Variation in soil-test-based #phosphorus and #potassium rate recommendations across the southern USA https://t.co/7QOfikiFz3 #OpenAccess @OSUplantsoilsci https://t.co/o7D1zzAprY
RT @mnweintraub: "...for states using Mehlich 3, soil test critical concentrations ranged from 30 to 75 mg P kg–1 and 60 to 175 mg K kg–1 f…
"...for states using Mehlich 3, soil test critical concentrations ranged from 30 to 75 mg P kg–1 and 60 to 175 mg K kg–1 for corn". Wow. We need more consistent standards developed with runoff and water quality in mind @phosphoria31 @phosphorusfacts