=VLOOKUP(Lookup_value, Table_array, Col_index_num, Range_lookup)) Lookup_value â The value you want to find in the lookup value column. Lookup_value â The table range containing columns for both the lookup and return values. Col_index_num â The index number for the column containing the return values.
--Ammonium salts have a hypothetical risk of ammonia toxicity. In addition to calcium levels, ammonia and phosphate levels should be monitored. --Potassium salts have a hypothetical risk of hyperkalemia which can cause cardiac arrhythmia.
Ammonia is a gas. Ammonium can escape from the surface of the soil under certain conditions and is harmful to plants in high quantities. Ammonium is the basic building block of commercial nitrogen fertilizers.