DETERMINATION OF SOYBEAN YIELD LOSS BASED ON SORGHUM DENSITY AND BIOMASS

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RAEI Y.; SEYED SHARIFI RAOUF; JAVANSHIR A.; GHASEMI GOLEZANI K.; ALIARI H.; MOHAMMADI A.

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Journal: JOURNAL OF AGRICULTURAL KNOWLEDGE Year:2006 | Volume:15 | Issue:4 Page(s): 227-237

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Title

DETERMINATION OF SOYBEAN YIELD LOSS BASED ON SORGHUM DENSITY AND BIOMASS

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Keywords

SORGHUMQ4

SOYBEANQ2

SEED YIELDQ3

DENSITY AND BIOMASSQ2

YIELD LOSSQ2

Abstract

To evaluate the role of SORGHUM DENSITY AND BIOMASS on SOYBEAN YIELD LOSS, field experiments were conducted at the Research Station of Faculty of Agriculture, University of Tabriz during 2003 and 2004 growing season. The trials were carried out using factorial experiment based on randomized complete block design with three replications. The experimental factors consisted four levels of SOYBEAN(20, 30, 40, and 50) and four levels of SORGHUM(O,4, 8, and 12) densities. The planting pattern was based on additive series. The results indicated that in both years and in all SOYBEAN densities, by increasing SORGHUM density, the SOYBEAN YIELD LOSS was increased significantly. Increasing SORGHUM density from four to12 plants/m2, resulted in SOYBEAN YIELD LOSS from 30% to 67% in the average of two years. In all densities, the SOYBEAN YIELD LOSS was higher in 2003 growing season as compared to 2002. The highest and the lowest YIELD LOSSes were observed in 20 and 50 plants/m2 of SOYBEAN, respectively. Increase of SORGHUM-biomass, also increased SOYBEAN YIELD LOSS. When SORGHUM biomass was evaluated from 400 to 1400 gr/m2, the average of SOYBEAN YIELD LOSS in both years was increased from 28 to 72%. The results revealed that among SORGHUM DENSITY AND BIOMASS, the population density was a better criterion for determination of SOYBEAN YIELD LOSS.

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APA: Copy

RAEI, Y., SEYED SHARIFI, RAOUF, JAVANSHIR, A., GHASEMI GOLEZANI, K., ALIARI, H., & MOHAMMADI, A.. (2006). DETERMINATION OF SOYBEAN YIELD LOSS BASED ON SORGHUM DENSITY AND BIOMASS. JOURNAL OF AGRICULTURAL KNOWLEDGE, 15(4), 227-237. SID. https://sid.ir/paper/28968/en

Vancouver: Copy

RAEI Y., SEYED SHARIFI RAOUF, JAVANSHIR A., GHASEMI GOLEZANI K., ALIARI H., MOHAMMADI A.. DETERMINATION OF SOYBEAN YIELD LOSS BASED ON SORGHUM DENSITY AND BIOMASS. JOURNAL OF AGRICULTURAL KNOWLEDGE[Internet]. 2006;15(4):227-237. Available from: https://sid.ir/paper/28968/en

IEEE: Copy

Y. RAEI, RAOUF SEYED SHARIFI, A. JAVANSHIR, K. GHASEMI GOLEZANI, H. ALIARI, and A. MOHAMMADI, “DETERMINATION OF SOYBEAN YIELD LOSS BASED ON SORGHUM DENSITY AND BIOMASS,” JOURNAL OF AGRICULTURAL KNOWLEDGE, vol. 15, no. 4, pp. 227–237, 2006, [Online]. Available: https://sid.ir/paper/28968/en

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