Conventional Farming - Dead Zones in the Ocean
Nitrogen-rich fertilizersJust about all conventional fertilizers contain high levels of nitrogen, which help plants grow and thrive.
Run-off from normal irrigationWhen these nitrogen-rich fertilizers run off from normal irrigation, they eventually end up in rivers and oceans. In fact, a 2004 United Nations article estimated that "most of the 160 million tons of nitrogen used as fertilizer annually ends up in the sea".
Suffocated marine wildlifeThese fertilizers may help crops on land, but in the oceans they spark massive algal overgrowth that depletes the water of rolex replica watches uk oxygen. Eventually, these areas have such low levels of oxygen that no plant or animal life can survive.
Increasing dead zones around the worldThese "dead zones" have doubled in number since 1990, and the issue has been identified as a top emerging environmental threat by the United Nations Environment Programme. Nitrogen fertilizers are the prominent cause.
The larger dead zones (up to 70,000 square kilometers) are in the Gulf of Mexico, near Chesapeake Bay on the U.S. East Coast, the Baltic Sea, the Black Sea, and parts of the Adriatic. Other growing zones are in South America, Japan, China replica watches uk, Australia and New Zealand.
Organic alternativeOrganic farming doesn't use extreme-nitrogen fertilizers and therefore has no effect on our oceans and the health of marine wildlife.
Conventional Farming - Degraded Soil
Organics - Benefits