tillage_ctic: Conservation tillage data
In jsta/macroag: Agricultural data for macrosystems research

Conservation tillage data interpolated from counties to watersheds. Original data from the Conservation Technology Information Center. Interpolated data from Baker (2011).

OID	Internal feature number.
HUC8_N	Numeric 8-digit hydrologic unit code
crop	crop name
year	crop planting year
notill	No till conservation tillage, greater than 30 percent of soil covered with crop residue
ridge	Ridge till conservation tillage, greater than 30 percent of soil covered with crop residue
mulch	Mulch till conservation tillage, greater than 30 percent of soil covered with crop residue
reduced	Reduced tillage (not considered conservation tillage), 15-30 percent of crop residue left on soil
intense	Intensive or conventional tillage, less than 15 percent residue left on soil
totacre	Total planted acres (sum of all tillage types)
pctnotil	Percentage of no tilll acres
pctridge	Percentage of ridge tilll acres
pctmulch	Percentage of mulch till acres
pctreduc	Percentage of reduced tilll acres
pctinten	Percentage of intensive tilll acres

https://water.usgs.gov/GIS/metadata/usgswrd/XML/ds573_tillage_lu01.xml

Baker, N.T. 2011. Tillage practices in the conterminous United States, 1989<e2><80><93>2004: Datasets aggregated by watershed. U.S. Geological Survey Data Series 573. USGS, Reston, VA

jsta/macroag documentation built on May 28, 2019, 12:02 p.m.