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008150407|2001||||xxc|||||     f|0| 0 eng|d
020 |a0-662-30081-5
040 |aCaOODSP|beng
043 |an-cn---
0861 |aEn21-205/2001E
1101 |aCanada. |bEnvironment Canada.
24510|aNutrients and their impact on the Canadian environment / |cby Patricia A. Chambers et al.
260 |aOttawa - Ontario : |bEnvironment Canada |c2001.
300 |ax, 241p. : |bfigs., graphs, references, tables ; |c28 cm.
500 |a"The report, Nutrients and their Impact on the Canadian Environment, provides information on sources of nutrients (nitrogen and phosphorus) to Canadian air, water and soil, and effects of these emissions on the health of humans and ecosystems."--Page iii.
5203 |aThe report, Nutrients and their Impact on the Canadian Environment, provides information on sources of nutrients (nitrogen and phosphorus) to Canadian air, water and soil, and effects of these emissions on the health of humans and ecosystems.--Page iii
563 |aSoftcover
590 |a01-29|b2001-07-20
69007|aFertilizers|2gcpds
69007|aWater pollution|2gcpds
69007|aWater quality|2gcpds
69007|aPollution|2gcpds
7201 |aChambers, Patricia A. et al.
77508|tLes éléments nutritifs et leurs effets sur l'environnement au Canada / |w(CaOODSP)9.681452
7760#|tNutrients and their impact on the Canadian environment / |w(CaOODSP)9.696180