A field experiment was conducted during 2002-03 and 2003-04 at Department of Agronomy, Punjab Agricultural University, Ludhiana to study the possible options for diversification of existing rice-wheat cropping system.

A field experiment was conducted during kharif and rabi season to study the organic, integrated and pure chemical fertilizers as a source of nutrition on maize growth, macro and micro nutrient uptake on irrigated sandy loam soil in maize-wheat sequence.

A field experiment was conducted during 2002-03 and 2003-04 at Department of Agronomy, Punjab Agricultural University, Ludhiana to study the possible options for diversification of existing rice-wheat cropping system.

Agricultural practices, which add heavy metals to the soil, include indiscriminate use of fertilizers through chemical farming and plant protection chemicals. However organic farming is a production system to produce chemical free nutritious food of high quality.