Department of Agronomy, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur, Uttar Pradesh, 208 002
A field experiment with 9 crop sequences was conducted during 1997–2001 at Kanpur, Uttar Pradesh. All these cropping sequences were evaluated for their production potential, calorific value, production efficiencies, land-use efficiency and economics. Rice (Oryza sativa L.)-equivalent yield was recorded maximum (155.9 q/ha) through maize (Zea mays L.)-potato (Solarium tuberosum L.)-wheat (Triticum aestivum L. emend. Fiori & Paol.) sequential cropping, while high calorific value (46,857 k. cal) and production efficiency (65.96 kg/ha/day) were with maize-potato-sunflower (Helianthus annuus L.) and highest land-use efficiency (91.2%) was measured with rice-wheat-green manuring cropping systems. Economic analysis revealed that the maximum net profit (Rs 30,617/ha), production efficiency (109.36 Rs/ha/day) and benefit: cost ratio (1.95) were recorded in rice-wheat crop sequence over other cropping systems. Hence maize-potato-wheat and rice-wheat sequences in the zone remained identified as the most biologically efficient and profitable cropping systems respectively.
Production potential, Economic analysis, Production efficiency, cropping systems
