David G

Well-known Member
The winter radishes are up about an inch on the field I planted last weekend. They need about a month to get roots down far enough before hard freeze to kills them.

I am in East Central Iowa.
 
Mine are looking good, too. Little boogers grow quick, too. I think you'll like them.
 
Yes... what are they used for? Do they grow back in the spring and get harvested for sale?

Or simply a cover crop that gets worked into the soil to improve it?

Quite a few farmers around here planted radishes on the land they could not get planted due to the crazy rain all spring. But they are disking them back into the ground.
 
I have been planting them in the garden for the past two years. Last year I just broadcast them on top of the ground, most of the tubers grew about half way out of the ground. This year I used a harrow to cover them, maybe more of them will grow under the ground.
They helped loosen up the soil, we have a lot of red clay around here and the ground gets pretty hard when it dries up.
I planted them the first of September this year.
 
Seeded these Aug. 10.
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They suck up N & P and sequester it for use next year. They grow until the nights get around 10-15 degrees and die, then the leaves cover the ground for the winter. I no-til right into them next spring, and there are very few weeds where they grew. Where I have had them, next year's yield is noticeably higher, also.
 
And I forgot to mention, they have a tap root that can penetrate the hardpan to allow water to go deeper after they rot. Thus the nickname "tillage radish".
 

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