Now-a-days there was lot of development on nano-sensor whether they can accurately measure the soil nutrient status so that it may be possible to get rid of lengthy chemical estimation of soils for nutrients.
Yes. There are nanosensors, but the difficulty is spatial variability in soils. That is why spectroscopic methods with large fields of view are being investigated.
Is it not possible to address spatial variability after putting large number of sensor points?
I am with Dr. Tarafdar, statistical analysis of large sensor point data should address spatial variability. Wrong?
Cant we take grid -based reference points covering all possible combinations of spatial variability existing within a given field...? But , again , point to-point data variability also has to be taken into account..And , also the behaviour of different nutrients in spatial domain..?
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