How can I destroy the poison ivy in my pasture? I have limited financial resources.?

I'm trying to keep it mowed below the leaf line and spray when I can.I have 4 1/2 acres and ivy problems on about 2 acres.

Answers:
Just spray it with bleach during the hottest part of the day, sit back have a cold one and watch it turn black and die within minutes. Used the same trick while in the Marines. Make sure that you were eye wear, bleach burns if you get it in your eyes.

Other answers:
pour gas on it and burn it!
pour gas on it and burn it!
If you have poison ivy in your yard, fall is a good time to eradicate it. The leaves of poison ivy change from green to a bright orange or scarlet in the fall, which can make it easier to spot and destroy. The plants are also more vulnerable to herbicide treatment at this time of year.
Do not handle poison ivy without gloves and other body protection. An oil present in all parts of poison ivy plants causes skin irritations.
The safest and surest method of eradicating poison ivy is to spray the leaves thoroughly with a chemical weed killer such as Ortho® Brush-B-Gon® Poison Ivy Killer. Available in concentrate or ready-to-use form, this product kills poison ivy, poison oak, kudzu, wild blackberries, and other woody weeds and vines right down to the roots.

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