THE EFFICIENCY OF DIFFERENT TYPES OF NITROGEN FERTILIZERS AND WHEAT YIELD

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JAFARNEJADI A.R.; MOEZI A.A.A.; MOUSAVI FAZL S.M.H.; SAYYAD GH.A.

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Journal: Agricultural Engineering Year:2011 | Volume:33 | Issue:2 Page(s): 91-100

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Title

THE EFFICIENCY OF DIFFERENT TYPES OF NITROGEN FERTILIZERS AND WHEAT YIELD

Author(s)

JAFARNEJADI A.R. | MOEZI A.A.A. | MOUSAVI FAZL S.M.H. | SAYYAD GH.A. | Issue Writer Certificate

Keywords

NUEQ3

NITROGEN FERTILIZERSQ3

WHEATQ3

Abstract

Nitrogen use efficiency (NUE) enhancement is very important both for agricultural productivity and reducing environmental pollution. Thus, this research was conducted to investigate the best management of nitrogen fertilizer application from different sources on WHEAT yield (Chamran cultivar) at Shavour Research station in Khuzestan province - south west of Iran. A complete randomized block with five treatments was carried out in this experiment. Treatments include (T1) application of chemical fertilizer except for nitrogen based on soil test analysis as control plot, (T2) 150 kg N/ha from urea component divided in three times application at sowing time, stem elongation and beginning of flowering as farmer’s conventional treatment, (T3) 150 kg N/ha from urea, divided in two times, 50 percent at the beginning of stem elongation and 50 percent at the flowering stage, (T4) 150 kg N/ha divided in three times, at the sowing stage (one third of N with sulfur covering, SCU), stem elongation and the beginning of flowering (two third of N as supplementary fertilizer), (T5) 150 kg N/ha divided in three times, one third at the sowing stage from macro-fertilizer source and two third from urea source as supplementary fertilizer in two times. The results showed that application of different NITROGEN FERTILIZERS had significant effects (p<0.05) on biomass, grain yield, grain weight, tiller number, spike number, grain nitrogen percentage, harvest index, and NUE. However, T2 treatment resulted in highest yield of 5291 kg/ha, though in terms of NUE, T3 showed the highest rate of 10.1 kg grain/kg N compared to the other application of fertilizer treatments (p<0.05). The NUE increment rates of T3 compared to T2, T4, and T5 treatments were 6.38, 13.93, and 13.39 percent, respectively. There was no significant difference between treatments in terms of nitrogen apparent recovery fraction. Thus, it is concluded that the timing of N fertilizer application is a very important factor during WHEAT crop growth and the application of NITROGEN FERTILIZERS should be reduced during pre-sowing stages of WHEAT crops.

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APA: Copy

JAFARNEJADI, A.R., MOEZI, A.A.A., MOUSAVI FAZL, S.M.H., & SAYYAD, GH.A.. (2011). THE EFFICIENCY OF DIFFERENT TYPES OF NITROGEN FERTILIZERS AND WHEAT YIELD. AGRICULTURAL ENGINEERING (SCIENTIFIC JOURNAL OF AGRICULTURE), 33(2), 91-100. SID. https://sid.ir/paper/233731/en

Vancouver: Copy

JAFARNEJADI A.R., MOEZI A.A.A., MOUSAVI FAZL S.M.H., SAYYAD GH.A.. THE EFFICIENCY OF DIFFERENT TYPES OF NITROGEN FERTILIZERS AND WHEAT YIELD. AGRICULTURAL ENGINEERING (SCIENTIFIC JOURNAL OF AGRICULTURE)[Internet]. 2011;33(2):91-100. Available from: https://sid.ir/paper/233731/en

IEEE: Copy

A.R. JAFARNEJADI, A.A.A. MOEZI, S.M.H. MOUSAVI FAZL, and GH.A. SAYYAD, “THE EFFICIENCY OF DIFFERENT TYPES OF NITROGEN FERTILIZERS AND WHEAT YIELD,” AGRICULTURAL ENGINEERING (SCIENTIFIC JOURNAL OF AGRICULTURE), vol. 33, no. 2, pp. 91–100, 2011, [Online]. Available: https://sid.ir/paper/233731/en

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