When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Human impact on the nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_the...

    Nitrate concentrations in 1,000 Norwegian lakes had doubled in less than a decade. Rivers in the northeastern United States and the majority of Europe have increased ten to fifteen fold over the last century. Reactive nitrogen can contaminate drinking water through runoff into streams, lakes, rivers, and groundwater.

  3. 1924 Nixon Nitration Works disaster - Wikipedia

    en.wikipedia.org/wiki/1924_Nixon_Nitration_Works...

    [5] [8] Finished cellulose nitrate was piled in 50-by-20-inch (127 by 51 cm) sheets in surrounding buildings. [ 5 ] [ 8 ] Some 300 feet (91 m) from the Works' nitrocellulose buildings sat a storage house leased to the Ammonite Company, [ 8 ] which used the building to salvage the contents of artillery shells for use as agricultural fertilizer ...

  4. Port Neal fertilizer plant explosion - Wikipedia

    en.wikipedia.org/wiki/Port_Neal_fertilizer_plant...

    The Port Neal fertilizer plant explosion occurred on December 13, 1994 in the ammonium nitrate plant at the Terra International, Inc., Port Neal Complex, 16 mi (26 km) south of Sioux City, Iowa, United States. [1] Four workers at the plant were killed by the explosion, and eighteen others were injured. [3]

  5. List of ammonium nitrate incidents and disasters - Wikipedia

    en.wikipedia.org/wiki/List_of_ammonium_nitrate...

    United States West, Texas 17 April 2013: 15 240 West Fertilizer Company explosion: A fertilizer company in West, Texas, caught fire. At around 19:50, ammonium nitrate stored there exploded, leveling roughly 80 homes and a middle school. 133 residents of a nearby nursing home were trapped in the ruins. In all, 15 were killed, and about 200 injured.

  6. List of natural disasters in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_natural_disasters...

    South–Central United States Damage in 1946 United States dollars. 1945 Tornado outbreak: 43 $1.972 million Tornado outbreak of February 12, 1945: Alabama and Mississippi Damage in 1945 United States dollars. This outbreak included a devastating tornado that struck Montgomery, Alabama, killing 26 people. The U.S. Weather Bureau would describe ...

  7. Saltpetre works - Wikipedia

    en.wikipedia.org/wiki/Saltpetre_works

    A saltpetre works or nitrary [1] is a place of production of potassium nitrate or saltpetre used primarily for the manufacture of gunpowder. The saltpeter occurs naturally in certain places like the "Caves of Salnitre" ( Collbató ) known since the Neolithic.

  8. Nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_cycle

    Elevated nitrate in groundwater is a concern for drinking water use because nitrate can interfere with blood-oxygen levels in infants and cause methemoglobinemia or blue-baby syndrome. [28] Where groundwater recharges stream flow, nitrate-enriched groundwater can contribute to eutrophication , a process that leads to high algal population and ...

  9. Leaching (agriculture) - Wikipedia

    en.wikipedia.org/wiki/Leaching_(agriculture)

    In agriculture, leaching is the loss of water-soluble plant nutrients from the soil, due to rain and irrigation. Soil structure , crop planting, type and application rates of fertilizers , and other factors are taken into account to avoid excessive nutrient loss.