Thanks to the Land Institute for sponsoring this video! To learn more about their work, visit landinstitute.org/ To feed everyone in the future, we may need to disrupt 10,000 years of farming practices and turn agriculture into a closed system. Thanks also to our supporters on www.patreon.com/MinuteEarth ___________________________________________ To learn more, start your googling with these keywords: Annual plant: living for a year or less, perpetuating itself by seed Perennial plant: living for several years Polyculture: the simultaneous cultivation or exploitation of several crops or kinds of animals Natural systems agriculture: cropping systems based on processes found in nature Agroforestry: land use management that combines the cultivation of trees/shrubs with crops/pasture to create more productive and sustainable land-use systems Alley cropping: planting agricultural crops between rows of trees or shrubs ___________________________________________ If you liked this week’s video, you might also like: Alley cropping: nac.unl.edu/documents/agroforestrynotes/an12ac01.pdf Agroforestry: www.fao.org/forestry/agroforestry/89997/en/ _________________________________________ Subscribe to MinuteEarth on YouTube: goo.gl/EpIDGd Support us on Patreon: goo.gl/ZVgLQZ And visit our website: www.minuteearth.com/ Say hello on Facebook: goo.gl/FpAvo6 And Twitter: goo.gl/Y1aWVC And download our videos on itunes: goo.gl/sfwS6n ___________________________________________ Credits (and Twitter handles): Script Writer: Alex Reich (@alexhreich) Script Editor: Emily Elert (@eelert) Video Illustrator: Jesse Agar Video Director: Kate Yoshida (@KateYoshida) Video Narrator: Kate Yoshida (@KateYoshida) With Contributions From: Henry Reich, Ever Salazar, Peter Reich, David Goldenberg Music by: Nathaniel Schroeder: www.soundcloud.com/drschroeder ___________________________________________ References: Baker, B. 2017. Can Modern Agriculture Be Sustainable? Perennial polyculture holds promise. BioScience, 67(4), 325-331. doi.org/10.1093/biosci/bix018 Crews, T. E. 2016. Closing the Gap between Grasslands and Grain Agriculture. Kan. JL & Pub. Pol'y, 26, 274. goo.gl/d7BGsb Dawson, C. J., & Hilton, J. 2011. Fertiliser availability in a resource-limited world: Production and recycling of nitrogen and phosphorus. Food Policy, 36, S14-S22. goo.gl/8dMuP1 Famiglietti, J. S. 2014. The global groundwater crisis. Nature Climate Change, 4(11), 945-948. aquadoc.typepad.com/files/jfam_global_gw_crisis.pdf Kantar, M. B. et al. 2016. Perennial grain and oilseed crops. Annual review of plant biology, 67, 703-729. www.annualreviews.org/doi/abs/10.1146/annurev-arplant-043015-112311 Montgomery, D. R. (2007). Soil erosion and agricultural sustainability. Proceedings of the National Academy of Sciences, 104(33), 13268-13272. goo.gl/Si9E6g

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