Zero tillage or no-tillage farming is a way of growing crops or Pasteur from year to year without disturbing the soil through tillage. Zero tillage machine is machine which is used for zero tillage or no-tillage farming. It has deep ploughing drill, fitted with container through which seeds are sown in field. Agricultural land where soil erosion through wind and rain is severe should practice zero tillage technique.
About 30% of the crop residues are left in field to be incorporated in soil. Researches from India has shown that, there is chances of about 16 percent yield increase.