7.Give two harmful effects of fertiliser.
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Heya mate here's your answer
Excessive air- and water-borne nitrogen from fertilizers may cause respiratory ailments, cardiac disease, and several cancers, as well as can "inhibit crop growth, increase allergenic pollen production, and potentially affect the dynamics of several vector-borne diseases, including West Nile virus, malaria, and cholera ...
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1) when flood is come the fertilizers simply washed with water and the plants can loose all the nutrients through which it gets
2) it is very expensive the in rural areas it is not afforted
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