Forestry Note, Side Gully Control Fact Sheet 1 |
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Forestry Note: SIDE-GULLY CONTROL Using Trees, Hand Labor, Rock and Other Materials 1 of 12 Introduction This Forestry Note describes low-cost structures and practices for controlling side-gullies and headcuts in large gully systems. Forestry Services applied and tested these practices on large gully systems in Tillman and McClain counties in Oklahoma. On large gully systems in deep sandy soils (Figures 1 and 2), lateral or side headcuts or overfalls frequently develop where small side drainages flow over the rim of the main gully. Where considerable runoff occurs, side gullies soon develop from these headcuts or overfalls. In such cases, control of the upper side gully as well as the headcut is needed. Figure 1. Large gully near Grandfield in Tillman County. This gully system is about 2 miles long, 70 feet wide and 18 feet deep at this location. Because they are deep, these side gullies will continue to grow by sloughing and by headcut erosion (Figure 3), resulting in loss of soil and damage to streams and water quality. The main factor affecting growth is the size of the drainage area. Drainage areas for the side headcuts on the two gully systems vary from less than one to about 15 acres. Figure 2. Large gully in McClain County caused by advance of a deep headcut in Stinson Creek channel Figure 3. Side gully with sloughing sides and deep headcut on the Tillman County gully. This gully drains about three acres of the field in the background. Side gullies with small drainage areas and shallow headcuts can be controlled by a number of practices or practice combinations, including tree planting, livestock exclusion, diversion of runoff water, shaping and applying fiber mat and single cattle panel structures (Figures 4 and 5). (For information on these practices, see the video entitled Gully Control Using Fiber Mat and Trees and Forestry Notes on these techniques.)
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Title | Forestry Note, Side Gully Control Fact Sheet 1 |
Full text | Forestry Note: SIDE-GULLY CONTROL Using Trees, Hand Labor, Rock and Other Materials 1 of 12 Introduction This Forestry Note describes low-cost structures and practices for controlling side-gullies and headcuts in large gully systems. Forestry Services applied and tested these practices on large gully systems in Tillman and McClain counties in Oklahoma. On large gully systems in deep sandy soils (Figures 1 and 2), lateral or side headcuts or overfalls frequently develop where small side drainages flow over the rim of the main gully. Where considerable runoff occurs, side gullies soon develop from these headcuts or overfalls. In such cases, control of the upper side gully as well as the headcut is needed. Figure 1. Large gully near Grandfield in Tillman County. This gully system is about 2 miles long, 70 feet wide and 18 feet deep at this location. Because they are deep, these side gullies will continue to grow by sloughing and by headcut erosion (Figure 3), resulting in loss of soil and damage to streams and water quality. The main factor affecting growth is the size of the drainage area. Drainage areas for the side headcuts on the two gully systems vary from less than one to about 15 acres. Figure 2. Large gully in McClain County caused by advance of a deep headcut in Stinson Creek channel Figure 3. Side gully with sloughing sides and deep headcut on the Tillman County gully. This gully drains about three acres of the field in the background. Side gullies with small drainage areas and shallow headcuts can be controlled by a number of practices or practice combinations, including tree planting, livestock exclusion, diversion of runoff water, shaping and applying fiber mat and single cattle panel structures (Figures 4 and 5). (For information on these practices, see the video entitled Gully Control Using Fiber Mat and Trees and Forestry Notes on these techniques.) |
Date created | 2013-12-13 |
Date modified | 2013-12-13 |
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