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in terms of potential and the stability for the country. we have had ground water issues for a long time and those issues are combinations of over fertilization, process size that we use and herbicides that we use in our crop are another source of ground water contamination, and if you do crop rotations or if you use more than just corn and soybeans over and over, you can mitigate the amount of herbicides you have to use. water quality is of particular concern to farmers and to all iowa citizens, as anna gray of the iowa national heritage foundation explains. iowa's water quality _ foundation explains. iowa's water quality has _ foundation explains. iowa's water quality has not - foundation explains. iowa's water quality has not seen | water quality has not seen significant improvements in the last ticket or so and some trends show the levers of nitrate in our watch is getting worse, and we know that has very negative health impacts. iowa is the second highest, has