LOOK AT IT

1. Biological Nitrogen
Fixation
Samira Kouchakzadeh
Matt Wozniak
Valentine Cipleu
Nathan K. Galinis.

2. Overview
• Nitrogen is critical.
– In everything basically
• Luckily very abundant.
• Unluckily it’s hard to get at.
– Most is N≡N in air.
• Methods of Acquisition
1. Nitrate based Fertilizer.
2. Retrieval from
decomposition.
3. Natural atmospheric
conversation.
4. Nitrogen Fixation.

3. Nitrogen Fixation, and our way around it
• Beijerinck 1901.
– Nitrogenase to
the rescue!
– Prokaryotes, th
e unsung
champions of
life.
• Agricultures way
around it.
– Use a crap ton
of fertilizer.

4. Pic bib
• http://www.mediacollege.com/downloads/sound-effects/weather/
• http://upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Chlorophyll_c1.svg
/220px-Chlorophyll_c1.svg.png
• http://upload.wikimedia.org/wikipedia/en/8/87/Chlorophyll_a_antenna_complex.
jpg
• http://cyberbridge.mcb.harvard.edu/images/dna1_6.png
• http://faculty.southwest.tn.edu/rburkett/GB%20org13.jpg
• http://green-mom.com/wp-content/uploads/2013/05/manure-773537.jpg
• http://i.kinja-img.com/gawker-media/image/upload/s--9EXoqN1q--
/17wl4kpeam089jpg.jpg
• http://upload.wikimedia.org/wikipedia/commons/4/46/Martinus_Beijerinck.png
• http://world.edu/wp-content/uploads/2011/12/cyanobacteria1.jpg
• https://www.biw.kuleuven.be/m2s/cmpg/images/images-ai/fig1.gif
• http://us.123rf.com/450wm/katukphoto/katukphoto1312/katukphoto131200020/
24518816-arrangement-with-lots-of-fertilizer-sacks-in-asia.jpg