prov:value
| - These areas were marked as area A-D. Five different locations from each area were selected and samples were collected periodically over the year in order see any seasonal variation.These samples were estimated for nutrients such as carbon, nitrogen, sodium, magnesium, aluminum, silica, phosphorus, sulfur, chlorine, potassium, calcium, chromium, manganese, iron, cobalt, nickel, copper, zinc, molybd
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