For covering plants, protecting them against climatic extremes and from being eaten, and to improve their condition.
- Plugged holes created, 65cm deep, with a concave surface for soil filtration or convex for hydromorphic soil.
- Simple subsoiling with lateral bulking, in normal soil at a depth of 65cm.
- Strip subsoiling on cleared soil at a depth of 65cm, width of 1m to 1.40m, on the surface soil.
- Subsoiling with back furrows, on cleared soil at a depth of 65cm, width between 1m and 2m, in very difficult, wet, destructured soil or lacking topsoil.