Zero / minimum tillage in rice-wheat system in Nepal
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By tradition, in the Terai region farmers believe that wheat planting needs well-prepared and pulverized soil for high yields, carrying out several plowings and harrowing. However, after rice, land is marshy or wet and ploughing is not possible, delaying wheat planting. Zero or minimum tillage provides minimum disturbance of the soil by placing the seeds directly in furrows. Seeds are then covered with well-decomposed compost and rice stubbles left in the field.
Some advantages of zero-tillage is the reduction of about 30% in the use of water, compared to conventional tillage, as well as an improvement in the physical properties of soil. In addition, by planting wheat in time, higher yields may be obtained.