Natural Resources Conservation Service Conservation Practice Standard Residue and Tillage management No Till (Ac.) Code 329 DEFINITION CONDITIONS PRACTICE APPLIES Limiting soil disturbance to manage the This practice applies to all cropland. amount, orientation and distribution of crop This practice only involves an in-row soil tillage and plant residue on the soil surface year operation during the planting operation and a around. seed row/furrow closing device. is no PURPOSE tillage performed from the time of harvest or termination of one cash crop to the Reduce sheet, rill and wind erosion – time of harvest or termination of the next cash Resource Concern (SOIL EROSION - Sheet, crop in the rotation regardless of the depth of rill, & wind erosion). the tillage operation. Reduce tillage-induced particulate emissions Resource Concern (AIR QUALITY CRITERIA – IMPACTS - Emissions of Particulate Matter - General Criteria Applicable to All Purposes PM - and PM Precursors). Residue shall not be burned. Maintain or increase soil quality and organic matter content Resource Concern (SOIL All residues be uniformly distributed over – QUALITY DEGRADATION matter the entire field. Removing residue from the row –Organic depletion). area prior to or as part of the planting operation is acceptable. Reduce energy use Resource Concern – (INEFFICIENT ENERGY USE No tillage is performed from the time – Farming/ranching practices and field of harvest or termination of one cash crop to operations). the time of harvest or termination of the next cash crop in the rotation regardless of the depth Increase plant-available moisture – of the tillage operation. The Soil Tillage Intensity Resource Concern (INSUFFICIENT WATER – Rating (STIR) value shall include all field Inefficient moisture management). operations that are performed during the crop Provide food and escape cover for wildlife interval between harvest or termination of the – Resource Concern (INADEQUATE HABITAT previous cash crop and harvest or termination FOR FISH AND WILDLIFE of the current cash crop (includes fallow –Habitat degradation). periods). The STIR value shall be no greater than 20.
Natural Resources Conservation Service Conservation Practice Standard Residue and Tillage management No Till (Ac.) Code 329 DEFINITION Limiting soil disturbance to manage the amount, orientation and distribution of crop and plant residue on the soil surface year around. PURPOSE Reduce sheet, rill and wind erosion – Resource Concern (SOIL EROSION - Sheet, rill, & wind erosion). Reduce tillage-induced particulate emissions – Resource Concern (AIR QUALITY IMPACTS - Emissions of Particulate Matter - PM - and PM Precursors). Maintain or increase soil quality and organic matter content – Resource Concern (SOIL QUALITY DEGRADATION –Organic matter depletion). Reduce energy use – Resource Concern (INEFFICIENT ENERGY USE – Farming/ranching practices and field operations). Increase plant-available moisture – Resource Concern (INSUFFICIENT WATER – Inefficient moisture management). Provide food and escape cover for wildlife – Resource Concern (INADEQUATE HABITAT FOR FISH AND WILDLIFE –Habitat degradation). CONDITIONS PRACTICE APPLIES This practice applies to all cropland. This practice only involves an in-row soil tillage operation during the planting operation and a seed row/furrow closing device. is no tillage performed from the time of harvest or termination of one cash crop to the time of harvest or termination of the next cash crop in the rotation regardless of the depth of the tillage operation. CRITERIA General Criteria Applicable to All Purposes Residue shall not be burned. All residues be uniformly distributed over the entire field. Removing residue from the row area prior to or as part of the planting operation is acceptable. No tillage is performed from the time of harvest or termination of one cash crop to the time of harvest or termination of the next cash crop in the rotation regardless of the depth of the tillage operation. The Soil Tillage Intensity Rating (STIR) value shall include all field operations that are performed during the crop interval between harvest or termination of the previous cash crop and harvest or termination of the current cash crop (includes fallow periods). The STIR value shall be no greater than 20.
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