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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 9, Issue 3 (2020)

Effect of date of sowing and nitrogen management on yield, nitrogen uptake and soil-nitrogen balance in rice-green gram-maize crop sequence under rainfed condition in Assam

Author(s):

P Ahmed, M Saikia, K Pathak, S Dutta and AC Sarmah

Abstract:
A field experiment was conducted at the farm of Krishi Vigyan Kendra, Tinsukia, Assam during 2016-17 and 2017-18, to study the effect of sowing dates and N management practices on yield, N uptake and soil-nitrogen balance in rice-green gram-maize crop sequences under rainfed upland conditions. The experiment was laid out in factorial RBD with three replications. The treatment consisted of four date of sowings and N management. Results revealed that all the three crops sown early had shown significantly higher grain yield and N uptake than the crops sown late. Application of 50% N as inorganic along with vermicompost @ 1.0 t/ha resulted significantly higher grain yield and N uptake as compared to other N management practices. Moreover, application of 50% N as inorganic along with vermicompost @ 1.0 t/ha registered the highest net gain in soil available N irrespective of sowing dates at the end of two years of cropping sequence.

Pages: 462-465  |  721 Views  233 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
P Ahmed, M Saikia, K Pathak, S Dutta and AC Sarmah. Effect of date of sowing and nitrogen management on yield, nitrogen uptake and soil-nitrogen balance in rice-green gram-maize crop sequence under rainfed condition in Assam. J Pharmacogn Phytochem 2020;9(3):462-465.

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