APA

Sharma S. P. [. a., AICRP Long term fertilizer experiments to study changes in soil quality crop productivity and sustainability & Department of Soil Science. (2005). Long term effect of fertilizer, manure and lime application on the changes in soil quality, crop productivity and sustainability of maize-wheat system in Alfisol of North Himalayas. Bhopal: Indian Institute of Soil Science (IISS).

Chicago

Sharma S P [et al.], AICRP Long term fertilizer experiments to study changes in soil quality crop productivity and sustainability and Department of Soil Science. 2005. Long term effect of fertilizer, manure and lime application on the changes in soil quality, crop productivity and sustainability of maize-wheat system in Alfisol of North Himalayas. Bhopal: Indian Institute of Soil Science (IISS).

Harvard

Sharma S. P. [. a., AICRP Long term fertilizer experiments to study changes in soil quality crop productivity and sustainability and Department of Soil Science. (2005). Long term effect of fertilizer, manure and lime application on the changes in soil quality, crop productivity and sustainability of maize-wheat system in Alfisol of North Himalayas. Bhopal: Indian Institute of Soil Science (IISS).

MLA

Sharma S P [et al.], AICRP Long term fertilizer experiments to study changes in soil quality crop productivity and sustainability and Department of Soil Science. Long term effect of fertilizer, manure and lime application on the changes in soil quality, crop productivity and sustainability of maize-wheat system in Alfisol of North Himalayas. Bhopal: Indian Institute of Soil Science (IISS). 2005.