What pesticides can I use to grow hemp fiber?
A pesticide on hemp fiber has to be labeled for hemp. A corn or bean spray does not transfer, and a textile lot has a stricter bar than the label alone.
What pesticides can I use to grow hemp fiber?
Only a product whose label lists hemp. Most pesticides and herbicides used on corn or beans are not labeled for hemp, so that program does not transfer. Fiber that has to meet the HFGA textile standard also refuses unlabeled crop protection and pre-harvest desiccants, including glyphosate, in the twelve months before harvest. rechem does not publish a spray list. Its fiber chemistry is organic, on the seed and in the planting pass.
Related reading
Related reading
What chemicals are allowed on hemp?Most herbicides and pesticides are not labeled for hemp. rechem's chemicals are organic, and they go on early.
A fiber farmer asking for a pesticide list is asking a label question, then a buyer question. The label comes first. If hemp is not on it, the product stays in the shed. Heartland is explicit that most pesticides and herbicides are not labeled for hemp. A corn or bean program does not become a hemp program because the sprayer is already calibrated.
The wider chemical note is What chemicals are allowed on hemp?. The grain sibling of this page is What pesticides can I use to grow hemp grain?.
The textile bar
Fiber that has to meet the HFGA US Hemp Textile Standard has a second test. No crop-protection product without an EPA label for hemp, for the twelve months before harvest. No pre-harvest desiccants, including glyphosate. A product that is legal on some other hemp acre can still fail a textile lot.
EPA's own record of what has been added to hemp labels lives with the agency, not with a copied spreadsheet. Start from their 2019 hemp registration announcement and then read the current stamped label in the Pesticide Product and Label System. This page will not freeze a product list that the agency updates.
What rechem puts on a fiber crop
rechem's fiber program is not that list. It is organic planting chemistry for a stand of stalks, written up as What planting chemistry does hemp fiber need?. The idea under it is plant immunotherapy: prepare the crop, and do not spend the season clearing a field that never had a fair start. The solution page is Hemp fiber.
FAQ
Quick answers about this part of the approach.
Can I use my corn insecticide on a fiber field?
Only if that exact product is labeled for hemp. The crop it worked on last year is not a label.
Does a textile buyer add rules beyond the label?
Yes, if the lot has to meet the HFGA textile standard. Unlabeled crop protection and pre-harvest desiccants, including glyphosate, fail that standard.
Where do I check the current label?
On the product in your hand, and in EPA's pesticide product and label system. A blog list goes stale. The stamped label does not.
What does rechem apply on fiber instead?
Organic chemistry on the seed and in the planting pass, so the stand of stalks comes up able to hold the row.
What if the neighbor's spray drifts in?
Treat it as contamination. Tell the buyer and the state program what landed, and when. Drift does not make an unlabeled product allowed.