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Fertilizer

en.wikipedia.org/wiki/Fertilizer

A fertilizer (American English) or fertiliser (British English) is any material of natural or synthetic ..... The modern science of plant nutrition started in the 19th century and the work of German...

Nutrient Science | TFI - The Fertilizer Institute

www.tfi.org/introduction-fertilizer/nutrient-science

With so much in our lives riding on our ability to produce plant life, it's no wonder that much research has been done on how plants grow and exactly what they ...

BBC - GCSE Bitesize: Fertilisers

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.

agricultural fertilizers: nitrogen, potassium

scifun.chem.wisc.edu/chemweek/pdf/Agricultural_Fertilizers.pdf

apply a fertilizer to the soil to keep cultivated plants healthy. As they grow, plants extract nutrients they need from the soil. Unless these nutrients are replenished, ...

Too Much of a Good Thing? Study the Effect of Fertilizers on Algal ...

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.

Growing, Growing, Gone! An Experiment on Nitrogen Fertilizers

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

Science Buddies Staff. "Growing, Growing, Gone! An Experiment on Nitrogen Fertilizers" Science Buddies. Science Buddies, 5 Jan. 2016. Web. 26 June 2016  ...

Fertilizer: the science - American-Lawns

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

What goes into a lawn fertilizer? The three major nutrients -- nitrogen, phosphorus and potassium -- bestow different benefits on plants. Nitrogen aids growth ...

Fertilizer Runoff Overwhelms Streams and Rivers--Creating Vast ...

www.scientificamerican.com/article/fertilizer-runoff-overwhelms-streams/

Mar 14, 2008 ... Fertilizer Runoff Overwhelms Streams and Rivers--Creating Vast "Dead .... He is a contributor to the 60-Second Science podcasts and host of ...

How Fertilizers Harm Earth More Than Help Your Lawn - Scientific ...

www.scientificamerican.com/article/how-fertilizers-harm-earth/

Chemical runoff from residential and farm products affects rivers, streams and even the ocean.

What Causes Fertilizer Explosions? - Scientific American

www.scientificamerican.com/article/what-causes-fertilizer-explosions/

Ammonium nitrate, frequently added to improve a fertilizer's nitrogen content, is relatively stable under most conditions. If it comes into contact with an ignition ...

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Fertilizer - Science Daily

www.sciencedaily.com

Fertilizers or fertilisers are compounds given to plants with the intention of promoting growth; they are usually applied either via the soil, for uptake by plant roots, ...

What is fertilizer and why do plants need it? | HowStuffWorks

home.howstuffworks.com

What do the three numbers on most bags of fertilizer mean? ... potash) - The three macronutrients and the three elements you find in most packaged fertilizers  ...

Researchers Discover First Use of Fertilizer | Science | AAAS

www.sciencemag.org

Jul 15, 2013 ... A new study reveals that these early agriculturalists were fertilizing their crops with manure 8000 years ago, thousands of years earlier than ...