HELC Compliance Training. Highly Erodible Land Conservation Compliance June 2005. HELC Compliance Training . Part 1 -- General Information Part 2 -- Making Determinations Part 3 -- Conservation Systems. Part 1 -- General Information. Statutory Authority.
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Highly Erodible Land Conservation Compliance
Must use the soil prediction equations that were in use as of 1/1/90 USLE and/or WEQ, whichever is applicable to your area.
Part 511 – NFSAM; (7 CFR 610.14(a); 7 CFR 12.21(a)(3))
Step 1 --HEL Determinations
NFSAM, 511.01(a); 7 CFR 12.21(a)
( R x K x LS) ÷ T = EI
( C x I ) ÷ T = EI
NFSAM, 511.01(c); 7 CFR 610.14(a); 7 CFR 12.21(b)
(NFSAM is currently incorrect)
NFSAM, 511.11(c); 7 CFR 12.22(a)
surface soil moisture expressed as a percentage.
“During the crop year entered in Item 3 above, or the term of a requested USDA loan, did or will you plant or produce an agricultural commodity on land for which a highly erodible determination has not been made?”
NFSAM, 511.11(a); 7 CFR 12.2(a)
NFSAM, 511.12(a) of 1/1/90 USLE and/or WEQ, whichever is applicable to your area.
Soil Protection Requirements
Conservation systems must meet the specific soil protection requirements for the site and situation (sodbust/non-sodbust):
NFSAM, 512.01(d & e) of 1/1/90 USLE and/or WEQ, whichever is applicable to your area.
When developing a conservation system for land converted from native vegetation there must not be:
Any soil erosion level that is greater than the sustainable level (soil loss tolerance – [T]) of the predominant HEL soil mapping unit in the HEL field.
The conservation system shall include all treatments and measures needed to meet the HELC requirements, including treatment required—
Conservation systems must be based on the following:
As a minimum, planning documentation should include the following:
Conservation plans will: