Low External Input Supply Agriculture (LEISA)
The term low-input agriculture has been defined as a production activity that uses synthetic
fertilizers or pesticides below rates commonly recommended by the Extension Service. It does not
mean elimination of these materials. Yields are maintained through greater emphasis on cultural
practices, IPM, and utilization of on-farm resources and management. .
The LEISA concept seeks to optimize the use of locally available resources by maximizing the complementary and synergistic effects of different components of the farming systems. External inputs are used in a complementary way.
Although, the term low-input fanning �.ds often been used to describe any system of alternative agriculture, if can be seen that it is distinctly different from organic farming etc. Nevertheless, any system that reduces purchased chemical inputs can be called low-input farming, some examples are: