Collaborative effort between NECi and RUB made this possible: Bioelectrocatalytic and electrochemical cascade for phosphate sensing with up to 6 electrons per analyte molecule.
Even if current Agricultural practices are upgraded to end the addition of more Nitrogen runoff it will take upwards of 30 years to deplete the stored Nitrogen (Nitrate).
Without further testing, people wonder which varieties of corn will do best under optimized efficiency of N fertilizer in relation to weather conditions as they change over the next few decades.