Performance and production potential of mustard (Brassica juncea L.) to different levels of irrigation in the central plain zone of Utiar Pradesh, India

A field investigation was carried out during the rabi season of 2007 and 2008 with eight treatment levels of irrigation in 3 randomized block design and replicated thrice. All the growth and yield attributes viz. number of leaves plant⁻¹ number of primary and secondary branches and number of seedsplant⁻¹ was recorded at harvest highest under three irrigation applied at branching, at flowering and at siliqua development stage followed by IB + F and IB + SO treatments and lowest in treatment I₀ (control), significantly inferior from all the irrigation treatments. Significantly higher seed, stover and biological yields were recorded under 3 level of irrigation IB + F + SO over IF + SO, IB, IF, ISO and 10 treatments. The highest net return (Rs.23840 ha⁻¹) was obtained with the application of three irrigations and proved superior by 10.67, 23.90, 37.80, 46.25, 95.40 and 170 per cent over IB + SO, IF + SO, IB, IF, ISO and 10 treatments respectively. The highest B: C ratio (1.27) was obtained under IB + F + SO treatment which was significantly superior over IF + SO, IB, IF, ISO and 10 treatments.