"I love that you've brought this to attention. An extensive database of uncommon but resistant and hardy plants/foods could be developed and organized by climate. Ease of growth and processing should also be taken in to account. I will try to…"
A crash course in changing the world.
fertilizer and peak crises
lets talk agriculture.
fertilizer.
N-K-P
thats nitrogen, potassium, phosphorus
phosphorus is a rock. that means it comes outta the ground. that means it takes forever to replenish. basically a non renewable resource, like oil.
phosphorus prices have already been spiking in the last few years, and it is estimated that around 2020-2030 (hmm sound familiar?) we are going to just run out.
no more fertilizer.
the majority of modern agriculture relies so heavily on fertilizer that without it, well, it wouldn't just be tokyo facing a food crisis... we are talking the end of modern agriculture as we know it.
everyone talks about peak oil. oil is not crucial. not the way phosphorus is. there are new methods for making power being worked on every day. we still don't have any viable methods for replenishing the phosphorus, definitely not replenishing it to make up for the rate we use is.
check it out. google it. anyone have any ideas? i do biology. any chemists in the house?
Views: 119
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Comment by Starling on March 16, 2010 at 6:51pm
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glim: seaweed is a key way to import phosphorus - aquatic plants are adapted to collect minerals from the dilute environment of seawater. Parasite & pathogen problem is addressable through cycling organic matter cross-kingdom - bacteria, fungi, plants and animals have different pathogens and they don't tend to cross past two different kingdoms. So it's a systems design problem as I see it.
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Comment by Shakwei Mbindyo on March 16, 2010 at 7:02pm
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Thought provoking. Googled it. Found great artile @ http://www.extension.umn.edu/distribution/cropsystems/DC6795.html. +1 KS
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Comment by Claire Moylan on March 16, 2010 at 7:08pm
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Alice, wouldn't adding seeweed at unneeded salt to the soil?
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Comment by Amos Meeks on March 16, 2010 at 7:41pm
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Thanks for the link, Shakwei, it was very informative.
It seems that the key is in recycling. We need to keep track of where all the phosphorous is, and do our best to make sure it all gets in the soil.
Taking it out of the oceans may work, but is not a sustainable solution.
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