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en.wikipedia.org/wiki/Fertilizer

A fertilizer (American English) or fertiliser is any material of natural or synthetic origin (other ..... of their farms. The modern science of plant nutrition started in the 19th century and the work of German chemist Justus von Liebig, among others.

www.sciencedaily.com/terms/fertilizer.htm

Scientists say thermally conditioned sewage sludge serves as an excellent fertilizer to improve soil properties. The major advantage over commercial ... read  ...

www.sciencemag.org/news/2017/04/genetically-engineered-microbes-make-their-own-fertilizer-could-feed-world-s-poorest

Apr 4, 2017 ... SAN FRANCISCO, CALIFORNIA—Industrial fertilizers help feed billions of people every year, but they remain beyond the reach of many of the ...

www.sciencemag.org/news/2017/02/slow-release-fertilizer-boosts-crop-yields-reduces-environmental-damage

Feb 3, 2017 ... For billions of people around the world, rice is a primary source of calories and protein. But growing the crop requires a lot of fertilizer, which ...

www.bbc.co.uk/schools/gcsebitesize/science/add_gateway_pre_2011/chemical/fertilisersrev1.shtml

A secondary school revision resource for OCR Gateway GCSE Additional Science about chemical economics, fertilisers and crop yield.

www.sciencelearn.org.nz/resources/964-fertiliser

Jul 30, 2013 ... Fertilisers are chemicals that are added to soil to supply nutrients to make it more fertile. The chemicals in fertilisers contain essential elements ...

www.american-lawns.com/lawns/fertilizer.html

What goes into the making of a lawn fertilizer. ... Scientists knew the air we breathe is a sea of nitrogen, but it took Haber to invent an effective way of extracting it.

www.sciencebuddies.org/science-fair-projects/project_ideas/PlantBio_p012.shtml

In this experiment, you will compare plants grown without nitrogen fertilizer to ... . sciencebuddies.org/science-fair-projects/project_ideas/PlantBio_p012.shtml> ...

www.sciencebuddies.org/science-fair-projects/project_ideas/EnvSci_p054.shtml

In this environmental science fair project, grow algae in several concentrations of fertilizer and observe its effect on algal growth.

www.plantscience.com

Welcome to Plant Science, where golf and sports turf markets meet innovative, science-based environmental fertilizer technology.