THE EFFECTS OF NITROGEN SOURCES, OPERATION METHODS AND WEED CONTROL METHODS ON WEED BIOMASS, YIELD AND YIELD COMPONENTS OF CORN (ZEA MAYS L.)

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ABBASDOKHT HAMID; DASHTI ALI AKBAR

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Journal: Iranian Journal of Field Crop Science Year:2014 | Volume:45 | Issue:3 Page(s): 431-443

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Title

THE EFFECTS OF NITROGEN SOURCES, OPERATION METHODS AND WEED CONTROL METHODS ON WEED BIOMASS, YIELD AND YIELD COMPONENTS OF CORN (ZEA MAYS L.)

Author(s)

ABBASDOKHT HAMID | DASHTI ALI AKBAR | Issue Writer Certificate

Keywords

FERTILIZER OPERATION MANAGEMENTQ2

EPTC HERBICIDEQ3

WEEDS CONTROLQ2

Abstract

In order to study of the effects of nitrogen sources, operation methods and weed control methods on weed biomass, yield and yield components of corn (Zea mays L.) an experiment was carried out as split plot factorial based on a randomized complete block design (RCBD) with four replications in Shahrood University of Technology. The treatments included weed control methods at four levels (hand weeding at all growth season, weedy, EPTC HERBICIDE at regular dose and 50% regular dose) as main factors, nitrogen sources at two levels (urea and ammonium sulphate) and operation methods at two levels (band and broadcast) as sub plots. Results showed that EPTC HERBICIDE at regular dose and band operation method reduced weed biomass more than EPTC HERBICIDE at 50% regular dose and weedy check treatments. Weed control methods significantly affected grain yield, 1000-seed weight, seed row number per ear, seed number per row, ear length, biological yield and ear weight traits. Nitrogen sources significantly affected only ear length and ear diameter. The interaction of nitrogen sources and weed control methods significantly affected only ear length and ear diameter. Hand weeding at all growth season and EPTC HERBICIDE at regular dose produced maximum grain yield. Grain yield for EPTC HERBICIDE at 50% regular dose and weedy treatments was the same and at the least effect. Seed row number per ear and 1000-seed weight traits were the highest for EPTC HERBICIDE at regular dose and at the least for EPTC HERBICIDE at 50% regular dose and weedy treatments. Interaction of weed control methods and nitrogen operation methods significantly affected seed number per row in corn.

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APA: Copy

ABBASDOKHT, HAMID, & DASHTI, ALI AKBAR. (2014). THE EFFECTS OF NITROGEN SOURCES, OPERATION METHODS AND WEED CONTROL METHODS ON WEED BIOMASS, YIELD AND YIELD COMPONENTS OF CORN (ZEA MAYS L.). IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 45(3), 431-443. SID. https://sid.ir/paper/153628/en

Vancouver: Copy

ABBASDOKHT HAMID, DASHTI ALI AKBAR. THE EFFECTS OF NITROGEN SOURCES, OPERATION METHODS AND WEED CONTROL METHODS ON WEED BIOMASS, YIELD AND YIELD COMPONENTS OF CORN (ZEA MAYS L.). IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2014;45(3):431-443. Available from: https://sid.ir/paper/153628/en

IEEE: Copy

HAMID ABBASDOKHT, and ALI AKBAR DASHTI, “THE EFFECTS OF NITROGEN SOURCES, OPERATION METHODS AND WEED CONTROL METHODS ON WEED BIOMASS, YIELD AND YIELD COMPONENTS OF CORN (ZEA MAYS L.),” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 45, no. 3, pp. 431–443, 2014, [Online]. Available: https://sid.ir/paper/153628/en

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