Re: OT - 2,4-D, Liquid Fertilizer, Seeding and Questions

Posted by Weldon K on March 01, 2015 at 18:16:00 from (98.16.30.22):

In Reply to: OT - 2,4-D, Liquid Fertilizer, Seeding and Questions posted by Bill Va on March 01, 2015 at 12:34:52:

Need to know a few things... Where are you? What kind of grasses? Your best estimate of percentage of field that has a sufficient stand of grass now?
It may not be necessary that you need to totally kill and start over with entire new seeding. I have seen some bad looking, neglected fields of grass brought back with weed control , proper fertilizing and over-seeding (broadcast seeded before a rainy spell or no-till drill) in August with grass and clovers.

I would do the following:
First get a soil test done.
Apply all needed limestone as soon as soil can support equipment this spring.
Apply half the recommended plant nutrients as a dry fertilizer containing N-P-K, broadcast with a 3-point mounted whirly type spreader, at grass green-up. Apply the other half after first cutting.

Depending upon what weeds you are seeing dictates what I would do about spraying. If you have a scattering of Curly and Broad-Leaf Dock, walk your fields with a back-pack sprayer applying Glyphosate, with a little 2-4-D in the mix, to the Dock weeds when they begin to leaf out.
After first cutting and grasses begin regrowth, if you have tough perennial weeds, use dicamba and 2-4-D or some other products designed for grasslands and pastures. (Be advised though that there are products that remain in the hay and after being eaten by animals is in the manure and will kill legumes and vegetables if manure is dropped in pastures or spread in fields or gardens.)
After second cutting and some regrowth, identify weed species surviving and evaluate grass stand as to whether you need to do a total kill and get ready for a re-seeding later. If sufficient grass stand remains , apply 150- 200lbs./acre of 34% Nitrogen fertilizer mid-to-late August to boost growth for late September to mid-October cutting of fine leafy grass blades.

Use of liquid fertilizer in a sprayer requires use of a pump and tips in the nozzles that are resistant to fertilizer corrosion.

I have never sprayed 2-4-D in a fertilizer solution but a friend did. He found that he had to mix the amount of 2-4-D needed in water before adding it to the liquid nitrogen solution he was applying. Full strength 2-4-D did not mix well in the nitrogen.

Best wishes.

• some good info

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