(2013). Nitrogen use efficiency and harvest index in black seed (Nigella sativa L.) at different weed competition durations. Journal of Plant Production Research, 20(1), 141-156.
MLA
. "Nitrogen use efficiency and harvest index in black seed (Nigella sativa L.) at different weed competition durations". Journal of Plant Production Research, 20, 1, 2013, 141-156.
HARVARD
(2013). 'Nitrogen use efficiency and harvest index in black seed (Nigella sativa L.) at different weed competition durations', Journal of Plant Production Research, 20(1), pp. 141-156.
VANCOUVER
Nitrogen use efficiency and harvest index in black seed (Nigella sativa L.) at different weed competition durations. Journal of Plant Production Research, 2013; 20(1): 141-156.
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