Operation Effects (cont)
ØAdd other cover
-Fraction added to surface versus fraction placed in soil
-Unless all mass added to surface, must be accompanied by disturbed soil effect (that is, mass can not be placed in soil without disturbance)
-Mass placed in soil is placed between ½ and maximum depth
-Used to add mulch and manure to surface, inject manure into soil
n
Use to apply mulch.
Use to surface apply manure.
Use to inject manure.
Subsequent operations bring some of the manure to surface.
The amount applied is in terms of dry weight of organic material.
Rock can be applied to soil surface and treated as a residue with essentially a zero decomposition coefficient.
Refer to NRCS core database for properties of different types of manure.