2
Pollution :
‘the
introduction by man, directly or indirectly,
of
substances or energy into the environment,
which are
liable to create hazards to human health,
to harm
living resources and marine ecosystems’
Agricultural
pollution is, thus,
the direct or indirect
introduction
of substances – particularly excessive
nutrients (such as nitrates
(N) and phosphorous (P) ) - or energy into the environment as a
result of mans agricultural activities.