Energy inputs and crop yields of rice by 209 farmers from three villages were collected over 2 years and analysed. Relations were found between crop yield and tillage, irrigation, fertilizers, and pre-harvest or total energy inputs. The 209 farmers were divided into 25 homogeneous groups by...

A village was selected from agro-climatic zone-5 in Punjab (India) to assess energy-resource availability, expenditure and shortcomings of the village ecosystem. Data on energy inputs and outputs were collected over a period of two years. The village had a gross power of 3.9 kW/ha and the...

Adoption of high-yielding varieties, expansion of irrigation facilities, mechanization, and fertilizer-diesel-electricity combination have pushed the demand for commercial energy to a new height. The energy requirements for crop production for the year 1986–1987 were estimated and the area...