Dowsing is attributed to the ideometer effect but how does that disprove the practice?

Speaking from experience I have dowsed/water witched with rods before and have picked up on a number of things like water, metal and pipes although I don’t dowse anymore. I find it interesting how the practice is considered dubious and the reason that most skeptics give is the ideometer effect; in a nutshell our subconscious can cause fine muscle movements which will effect dowsing rods or pendulums which are sensitive to movement, I do not see a problem with this explanation in fact I am all for it but it only explains the mechanics and not the initial cause as to why the subconscious sent those signals to the muscles.

Another issue I have are these so called experiments/demonstrations which leading skeptics hold to debunk dowsing.

I find these experiments extremely unscientific. Firstly, speaking from experience I have never picked up on anything that was above my feet. Secondly having bottles of water inside of bins really goes far to recreating the normal environment in which the dowsers work.

Why don’t scientist just pick a field and invite about 50 to 100 well known dowsers/diviners to walk around it one at a time, and ask them to mark where they get a response. Each persons mark will be recorded and removed so that the next person is unaware of the position. After the experiment is over the data is compiled. If there there is found to be a common trend in responses then all the scientist have to do is dig. But no its far more easier to get some bins and some bottles. So please don’t answer my initial question with an answer pointing to a James Randi or Richard Dawkins video. So does the ideometer effect really disprove dowsing?
@Algol that is why I mentioned a field(a plot of land), my experiment is double blind by nature that is why I said that if there were positive results the scientist would have to dig or find out what was giving off the response. The experiments that Randi or Dawkins use do not conform to the the normal practices and environments that the dowsers practice in, thus all that the experiments of Dawkins and Randi prove is that dowsing cannot detect anything above a persons feet with the control(the thing that the dowser responds to) in a container.
Well thank you for answering.

@Shenaynay, while I agree that the dowsers gave consent I would also like to point out this fact that dowsers themselves do not know the full mechanics behind dowsing. Some even claim that god has a hand in moving the rods. So you have to take theories on dowsing into consideration when trying to disprove it. There has been studies and theories in the past that show that dowsing is linked to electromagnetic fields. So if we look at the Dawkins experiment of having bottles placed in bins, then we can already see how the experiment is flawed as plastic is an insulator and it can be use to shield against electromagnetic fields. You cannot disprove dowsing with this experiment. Likewise with Randi, what were the box’s he used where they plastic or metal? Either way the results are compromised. The fact remains that there are two very similar experiments from a biologist and a magician, and with these experiments they claim the proof that dowsing does not exis