INTERACTION EFFECTS OF WEEDS AND NITROGEN ON GROWTH AND YIELD OF DRYLAND WHEAT (TRITICUM AESTIVUM L.) AND SOIL ORGANIC CARBON

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KAZEMEYNI S.A.A.R.; GHADIRI H.

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Journal: IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE) Year:2007 | Volume:38-1 | Issue:2 (AGRONOMY AND CROP BIOTECHNOLOGY) Page(s): 377-383

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Title

INTERACTION EFFECTS OF WEEDS AND NITROGEN ON GROWTH AND YIELD OF DRYLAND WHEAT (TRITICUM AESTIVUM L.) AND SOIL ORGANIC CARBON

Author(s)

KAZEMEYNI S.A.A.R. | GHADIRI H. | Issue Writer Certificate

Keywords

DRYLAND WHEAT

NITROGEN

WEED

SOIL ORGANIC CARBON

Abstract

In order to evaluate the interaction effects of WEEDs and NITROGEN on growth and yield of DRYLAND WHEAT, an experiment was conducted at the research station of the college of agriculture, Shiraz University at Bajgah in 2005. The experimental design was split plot with randomized complete block arrangement in which WEEDy and WEED free treatments were main factors, while three levels of NITROGEN (0, 40, and 80 kg N ha-1 ) constituted the sub factors. Under WEEDy conditions, wheat grain yield decreased significantly (from 1282 to 729 kg/ha). Among yield components, number of seeds per spike decreased significantly. The number of spikes per m2 was reduced but this reduction was not significant. Results indicated that with increase in NITROGEN level, wheat yield increased significantly (from 661.5 to 1370). Under WEEDy conditions, harvest index decreased. Harvest index increased by increase in NITROGEN rate but there was no significant difference observed between 40 and 80 kg NITROGEN ha-1 treatments. Results indicated that in the respective WEEDy and WEED free conditions, maximum rate of SOIL ORGANIC CARBON was obtained from the additions of 40 and 80 kg of N ha-1 respectively. Under WEEDy conditions, SOIL ORGANIC CARBON was observed to increase significantly.

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APA: Copy

KAZEMEYNI, S.A.A.R., & GHADIRI, H.. (2007). INTERACTION EFFECTS OF WEEDS AND NITROGEN ON GROWTH AND YIELD OF DRYLAND WHEAT (TRITICUM AESTIVUM L.) AND SOIL ORGANIC CARBON. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), 38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)), 377-383. SID. https://sid.ir/paper/549502/en

Vancouver: Copy

KAZEMEYNI S.A.A.R., GHADIRI H.. INTERACTION EFFECTS OF WEEDS AND NITROGEN ON GROWTH AND YIELD OF DRYLAND WHEAT (TRITICUM AESTIVUM L.) AND SOIL ORGANIC CARBON. IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE)[Internet]. 2007;38-1(2 (AGRONOMY AND CROP BIOTECHNOLOGY)):377-383. Available from: https://sid.ir/paper/549502/en

IEEE: Copy

S.A.A.R. KAZEMEYNI, and H. GHADIRI, “INTERACTION EFFECTS OF WEEDS AND NITROGEN ON GROWTH AND YIELD OF DRYLAND WHEAT (TRITICUM AESTIVUM L.) AND SOIL ORGANIC CARBON,” IRANIAN JOURNAL OF AGRICULTURAL SCIENCES (JOURNAL OF AGRICULTURE), vol. 38-1, no. 2 (AGRONOMY AND CROP BIOTECHNOLOGY), pp. 377–383, 2007, [Online]. Available: https://sid.ir/paper/549502/en

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