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Soil preparation is one of the most important to cultivation. One of the most important tasks in soil preparation is tilling (or ploughing): turning the soil and loosening it. Tilling creates optimal soil by: Mechanically destroying weeds that compete for water, nutrients and sunlight.Tilling your land for planting a large vegetable garden or crops can seem like a daunting task, but it doesn't need to be. For small acreage (under two to three acres), you can use a PTO-driven tiller on your tractor to till the soil. You can also hire someone to do the plowing, disking and harrowing.It protects the soil from erosion, so helps keep rivers free of silt. This chapter describes how to prepare your field and plant crops when using conservation agriculture.so we called that good soil good food.so be careful to preparing good soil.