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Strip-till – Narrow strips are tilled where seeds will be planted, leaving the soil in between the rows untilled. [11] Mulch-till - Soil is covered with mulch to conserve heat and moisture. 100% soil disturbance. Rotational tillage – Tilling the soil every two years or less often (every other year, or every third year, etc.). [11]
Emerging in North America in the 1970s and 1980s, vertical tillage (VT) is a system of principles and guidelines similar to conservation agriculture (CA) in that it aims to improve soil health, increase water infiltration and decrease soil erosion and compaction (improve bulk density).
The fourth is a chain disk harrow. Disks attached to chains are pulled at an angle over the ground. These harrows move rapidly across the surface. The chain and disk rotate to stay clean while breaking up the top surface to about 1 inch (3 cm) deep. A smooth seedbed is prepared for planting with one pass.
Tilling is sometimes necessary but it's not always the best method of maintaining a garden. Raised beds can be one option. Gardening: Tilling not always necessary for successful planting
Strip-till is a conservation system that uses a minimum tillage. It combines the soil drying and warming benefits of conventional tillage with the soil-protecting advantages of no-till by disturbing only the portion of the soil that is to contain the seed row. [ 1 ]
The soil air from the development of deep soil structure, combined with the microbe- and nutrient-rich compost allow the crops to be planted intensively. To plant intensively, beds are 4 to 6 feet (1.2 to 1.8 m) wide, usually 5 ft (1.5 m) and at least 5 feet (1.5 m) long, often 20 feet (6 m), forming a bed of 100 square feet (10 m 2 ).