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Information Journal Paper

Title

Effects of sowing date and nitrogen fertilizer on quantitative and qualitative characteristics, and nitrogen efficiency in Lallemantia iberica (M. Bieb. ) Fisch. & C. A. Mey. and Lallemantia royleana (Benth. ) Benth.

Pages

  65-82

Abstract

 To investigate the effects of sowing date and nitrogen fertilizer on the quantitative and qualitative characteristics and nitrogen efficiency in Lallemantia iberica (M. Bieb. ) Fisch. & C. A. Mey. and Lallemantia royleana (Benth. ) Benth., an experiment was conducted as a factorial split plot in a randomized complete block design at the Faculty of Agriculture, Shahed University. The treatments included the sowing date as the main plot at two levels of autumn and spring sowing, and the nitrogen fertilizer at three levels of 0, 50 (8 kg ha-1), and 100% (16 kg ha-1) and two Lallemantia species as the subplots. The results of analysis of variance showed the significance of the effects of sowing date, nitrogen fertilizer, plant species, and the interaction of all three treatments on Grain yield, 1000-grain weight, harvest index, leaf area index, leaf chlorophyll content, seed protein, nitrogen, and mucilage content, and nitrogen uptake, use, and utilization efficiencies. The autumn sowing in comparison with the spring one had the most positive and incremental effect on the studied traits except seed nitrogen. The results showed that the application of 16 kg ha-1 nitrogen fertilizer on both sowing dates increased the quantitative and qualitative characteristics of both Lallemantia species compared to the non-fertilizer application conditions. Increasing the use of nitrogen fertilizer compared to the non-fertilizer application conditions increased the nitrogen uptake and use efficiencies in the autumn and spring sowing dates in both Lallemantia species. Increasing the use of nitrogen fertilizer in the autumn sowing increased the nitrogen use efficiency in both Lallemantia species, but in the spring sowing, the nitrogen use efficiency was higher under the non-fertilizer application conditions compared to the different levels of nitrogen fertilizer application. L. iberica showed a more positive reaction to the nitrogen fertilizer application compared to L. royleana.

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    APA: Copy

    AHMADI, R., & MALEKI FARAHANI, S.. (2021). Effects of sowing date and nitrogen fertilizer on quantitative and qualitative characteristics, and nitrogen efficiency in Lallemantia iberica (M. Bieb. ) Fisch. & C. A. Mey. and Lallemantia royleana (Benth. ) Benth.. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 37(1 (105) ), 65-82. SID. https://sid.ir/paper/373304/en

    Vancouver: Copy

    AHMADI R., MALEKI FARAHANI S.. Effects of sowing date and nitrogen fertilizer on quantitative and qualitative characteristics, and nitrogen efficiency in Lallemantia iberica (M. Bieb. ) Fisch. & C. A. Mey. and Lallemantia royleana (Benth. ) Benth.. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2021;37(1 (105) ):65-82. Available from: https://sid.ir/paper/373304/en

    IEEE: Copy

    R. AHMADI, and S. MALEKI FARAHANI, “Effects of sowing date and nitrogen fertilizer on quantitative and qualitative characteristics, and nitrogen efficiency in Lallemantia iberica (M. Bieb. ) Fisch. & C. A. Mey. and Lallemantia royleana (Benth. ) Benth.,” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 37, no. 1 (105) , pp. 65–82, 2021, [Online]. Available: https://sid.ir/paper/373304/en

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