2 Answers

As with any chemical product, use insecticides, pesticides and chemical fertilizers with caution around pets and children. Keep all containers out of reach of children and explain to them the danger of handling those products. Carefully follow the manufacturer's instructions and always thoroughly wash your hands after handling or applying these products. Research the advantages and disadvantages of each product before making a final decision so that you are well informed and can more accurately weigh the potential hazards against the expected benefits for each.

Read more: Insecticides, Pesticides & Chemical Fertilizers | eHow http://www.ehow.com/about_6672766_insecticides_-pesticides-chemical-fertilizers.html#ixzz2VjbXxoEd

The Agency has evaluated all currently registered uses of nitrogen and has determined that there is a reasonable certainty that no harm to any population subgroup will result from exposure to nitrogen when considering dietary exposure and all other non-occupational sources of pesticide exposure for which there is reliable information.

Read more >>>http://www.epa.gov/oppsrrd1/REDs/nitrogen_tred.pdf