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The aim of land preparation is
1.To place the soil in the best physical condition for crop growth
2. To ensure that the soil surface is left level Land preparation is a combination of tillage practices that places the soil in the best physical condition for plant establishment and crop growth. To attain this condition
3. Soil must be tilled to a depth so plants can develop a root system which will physically support the plant and also allow the extraction of sufficient moisture and nutrients so yield potentials can be realized
4. Soil disturbance should be sufficient to control weeds
5. Tillage must leave the soil surface level. Level fields improve water use efficiency and help control in crop weeds. The field also needs a drainage system that will allow the rapid removal of excess water.