The farmers shows the position of at different farm and concentration of nitrate at different points in ariver this shows that nitrates ha different concentration taht has a bad effect.
Nitrates in extra can purpose eutrophication in downstream coastal waters with the aid of using stimulating immoderate boom of algae and different aquatic plants (whilst nitrogen is the proscribing component for boom) and in a roundabout way inflicting oxygen deficiency withinside the backside waters and decreased biodiversity.
The nitrate attention is calculated with the aid of using subtracting the absorbance at 275nm from the absorbance at 220nm after which evaluating the corrected absorbance to a calibration curve advanced the use of requirements of acknowledged nitrate attention (APHA, 2005).
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