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In Iowa there's a lot of rootless corn syndrome they call it. One of the major causes of rootless corn syndrome is a function of in a higher clay soil
if the planting was done when the top soil was a little bit damp so you're creating a furrow and some sidewall smear or sidewall compaction
in that "v" created by the planter the planter then drops a seed into that "v" and hopefully closes it up. Well, when it's a little bit damper and the higher the clay content
if it gets hot and dry that "v" will open back up and even a guy like this guy that didn't make it started to grow but the "v" opened back up and exposed the nodal root system
that the business end of the root, the nodal root system, exposed it to sunshine and quite often that will inhibit
or halt the advance of the nodal root system and that's the root system that carries the plant throughout the summer. So here we see where the
"v" reopened up and I would guess that there's quite a bit of clay in this little spot in this field here and that will cause what is called rootless corn syndrome.