"Product or root-zone evidence","Product A","Product B","Adviser question"
"Exact product and label region","","","Current label and version for the actual offer"
"Analysis basis","","","Confirm mass or volume basis before comparing declarations"
"Total Fe declaration","","","Keep total iron separate from chelated fractions"
"Fe declared chelated","","","Record the exact declaration and basis, not an assumed total"
"Named ligand","","","EDTA, DTPA, EDDHA or other exact statement; missing is unknown"
"Additional fractions on label","","","Transcribe only a clarified current declaration"
"Supplier stability conditions","","","Does the evidence cover this assessed system?"
"Root-zone sample and date","","","Do not substitute source-water pH for substrate pH"
"Extraction method and reported result","","","Keep the method with the result"
"Crop and sensitivity review","","","No symptom-only diagnosis or assumption that extra Fe is harmless"
"Other nutrient-program interactions","","","Supplier/adviser review; no mixing recipe"
"Diagnosis status","","","What is established and what remains unconfirmed?"
"Missing evidence affecting selection","","","Separate missing ligand from known low concentration"
"Adviser conclusion and purchase question","","","No dose or price-per-available-iron calculation"
"Use","Manual interpretation only; no formulas. Fill both product columns from current labels and evidence. Mark gaps unknown, not zero. Fictional article percentages are not inputs for an actual product. Import UTF-8/comma; adjust widths and save a native copy.","",""
"Source context","Manual tool; no formulas. Original inquiry structure. Source conditions are not acceptance limits.","","https://greenhouse.hosted.uark.edu/Unit08/Printer_Friendly.html | https://www.umass.edu/agriculture-food-environment/greenhouse-floriculture/fact-sheets/how-to-prevent-iron-deficiency-in-iron-inefficient-greenhouse | https://www.yara.co.uk/crop-nutrition/fertiliser/soluble/yaratera-rexolin-q40/"