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Conversion of Conservation Reserve Program (CRP) Grassland for Dryland Crops in a Semiarid Region

^a USDA-ARS, Conservation and Production Res. Lab., P.O. Drawer 10, Bushland, TX 79012 USA

View larger version (29K): [in a new window]   Fig. 1 Arrangement of field areas used for CRP study near Bushland, TX, 1994 to 1997. For each replication within each area, seven tillage treatments were randomly applied where CRP vegetation was retained (left side; shown as `Retain') and five where it was removed (right side; shown as `Remove'). Fertilizer treatments were randomly applied within each replication as strips across all tillage treatments within each area. North is to the left. Figure is not drawn to scale