Abstract
This study was conducted for 4 consecutive years commencing from 201213 to 201516 at ICAR-Indian Insti- tute of Wheat and Barley Research, Karnal, Haryana, India with the objectives to evaluate tillage options in rice (Oryza sativa L.)wheat (Triticum aestivum L.) system and N-levels in wheat for higher productivity and profitabil- ity. Combined analysis of 4 years revealed that puddled transplanted rice produced significantly higher grain yield, which was 19.9 and 13.9% higher than yield obtained under zero-till direct seeded rice and zero-till transplanted rice, respectively. Similarly, conventional-till wheat exhibited significantly higher grain and straw yields, which was 10.9 and 22.4% higher than zero-till wheat respectively. Use of leaf colour chart (LCC) in wheat is very handy and cost effective technology, saved 25 kg N/ha and produced grain yield at par with recommended dose of N. Puddled transplanted rice and conventional-till wheat showed maximum total returns, cost of cultivation and net returns.
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