Team:BCCS-Bristol
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=How does agrEcoli work?= | =How does agrEcoli work?= |
Revision as of 18:25, 27 October 2010
BCCS-Bristol
iGEM 2010
iGEM 2010
How does agrEcoli work?
Imagine viewing a cross section of the soil in a field. The topsoil is usually depleted in nutrients. Before the fertilisation process begins, the crops are harvested, leaving open soil. | |
Next, farmers ‘till’ the soil, replacing the topsoil with deeper, more nutrient-rich soil. Usually farmers will then indiscriminately fertilise the entire field. This is wasteful, as some fertiliser will land on areas which already have abundant nutrient levels. | |
Instead, we plan to spread agrEcoli bacteria, encapsulated in beads, onto the soil. Since the topsoil has been tilled, it is representative of deeper soil. | |
agrEcoli bacteria express RFP constitutively, and express GFP in the presence of nitrates. By using a UV light and spectrophotometer attached to a tractor, farmers can infer the nutrient level of soil from the ratio of Red to Green detected. | |
Using agrEcoli, farmers can map the nutrient content of their fields. This means they can fertilise only the areas that need it, saving up to £45 per hectare http://www.soyl.co.uk/Default.aspx 1. |
References
http://www.soyl.co.uk/Default.aspx 1 | SoylSense Home page |