What soil test does hemp fiber need?
Test the field before you fertilize hemp fiber. HFGA's agronomy note puts fiber near pH 6.0 to 7.0. The nitrogen number still depends on the last crop.
What soil test does hemp fiber need?
A current soil test for that field, read before you spread, not a corn sheet from memory. HFGA's agronomy note describes fiber hemp as suited to soils around pH 6.0 to 7.0. Nitrogen depends on whether corn, soy, or wheat came off the field last. rechem does not publish a lab panel or a pound-per-acre target of its own.
Related reading
Related reading
What soil test does hemp grain need?Test the field before you fertilize hemp grain. The sample can match your usual lab panel. The bill should not, because grain has to fill seed.
Pull the test on the field you will plant, then decide the bill. Heartland adds hemp to corn, soy, alfalfa, and cotton ground. That history is already in the soil. HFGA describes fiber soils around pH 6.0 to 7.0 and points farmers at a fertilizer package without publishing one universal rate.
How that fertility is spent on stalks is What nutrition does hemp fiber need?. The grain sample is What soil test does hemp grain need?.
What to ask the lab
Ask for the panel you already use on the rotation, including pH, and read it with the previous crop in mind. HFGA's nitrogen note says a corn field and a soybean field do not hand hemp the same residual. University of Florida IFAS publication SS689 says public soil-test recommendations for hemp are still thin, and that pushing nitrogen can hurt fiber quality. Those are their words. They are a reason to test, not a rechem worksheet.
The seedbed those results land on is How do I prepare a field for hemp?.
Chemistry after the test
rechem's pre-plant step is organic field enrichment, not a bag of N-P-K. The soil rule is How does rechem chemistry treat the soil?. The fiber map is Fiber, and the ground map is Soil.
FAQ
Quick answers about this part of the approach.
Is a corn soil test enough?
The sample can be the same kind of test your lab already runs. The recommendation you apply should not be the corn rate. Fiber spends fertility on stalks.
What pH am I looking for?
HFGA describes fiber hemp around pH 6.0 to 7.0. Confirm the number on your test. Do not lime from a neighbor's story.
Does the previous crop change the test?
The test is of the soil you have. HFGA treats nitrogen after corn, soy, or wheat as different jobs because those crops did not leave the same residual.
How is the grain test different?
Same soil, different crop. Grain has to fill seed, so the fertility you act on is not the fiber bill. Read the grain note.
Does rechem replace the soil test?
No. Field enrichment is organic chemistry on a seedbed you already tested. It is not a substitute for the lab.