[Question] Application imagery on water management farming

Could you share your case study and the problem you are trying to solve? I am sure is a matter of using the appropriate image analysis software tools and developing the ground truthed image/spectral libraries to calibrate the image anaysis. You may also be interested in Public Lab's open source water monitoring project http://publiclab.org/wiki/riffle Ecosynth is also a related open source community that could be helpful http://ecosynth.org/