THE EFFECTS OF TWO DIFFERENT DEFICIT IRRIGATION MANAGEMENTS ON THE ROOT LENGTH OF MAIZE

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GHEYSARI M.; MAJIDI M.M.; MIRLATIFI S.M.; ZAREIAN M.J.; AMIRI S.; BANIFATEMEH S.M.

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Journal: Journal of Water and Soil Year:2014 | Volume:28 | Issue:5 Page(s): 890-898

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Title

THE EFFECTS OF TWO DIFFERENT DEFICIT IRRIGATION MANAGEMENTS ON THE ROOT LENGTH OF MAIZE

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Keywords

WATER STRESSQ2

CORNQ2

ROOTQ2

WATER USE EFFICIENCYQ2

IRRIGATION INTERVALQ2

Abstract

The response of ROOT to WATER STRESS is one of the most important parameters for researchers. Study of growth and distribution of ROOT under different irrigation managements help sresearchers to a better understanding of soil water content, and the availability of water and nutrition in WATER STRESS condition. To investigate the effects off our levels of irrigation under two different deficit irrigation managements on the ROOT length of maize, a study was conducted in 2009. Irrigation managements included fixed IRRIGATION INTERVAL-variable irrigation depth (M1) and variable IRRIGATION INTERVAL-fixed irrigation depth (M2). Maize plants were planted in 120 large 110-litercontainers in a strip-plot design in a randomized complete block with three replications. ROOT data sampling was done after ROOT washing in five growth stages. The results showed that the effect of irrigation levels on ROOT length was significant (P<0.05) under both managements. The maximum ROOT length was 4.61 and 4.64 Km perm3 of soil profile in M1 and M2, respectively in the depth of 0-70 cm of soil profile which was observed in full irrigation treatment at milk stage. The results indicated that ROOT length in mild-deficit-irrigation level was moreth an ROOT length in moderate and mild-deficit-irrigation levels. The response of ROOT maize to WATER STRESS wasmore severe in variable-irrigation-interval management and the same amount of reduction in applied water resulted in more decrease in ROOT length under variable-irrigation-interval than fixed-irrigation-interval management. Therefore, due to the importance of ROOT length as one of the most important characteristics of growth indices in maize to determine the amount of water absorption, determination of the optimum level of WATER STRESS and selection of an appropriate deficit-irrigation management can increase WATER USE EFFICIENCY as well as maize yield.

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APA: Copy

GHEYSARI, M., MAJIDI, M.M., MIRLATIFI, S.M., ZAREIAN, M.J., AMIRI, S., & BANIFATEMEH, S.M.. (2014). THE EFFECTS OF TWO DIFFERENT DEFICIT IRRIGATION MANAGEMENTS ON THE ROOT LENGTH OF MAIZE. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 28(5), 890-898. SID. https://sid.ir/paper/141128/en

Vancouver: Copy

GHEYSARI M., MAJIDI M.M., MIRLATIFI S.M., ZAREIAN M.J., AMIRI S., BANIFATEMEH S.M.. THE EFFECTS OF TWO DIFFERENT DEFICIT IRRIGATION MANAGEMENTS ON THE ROOT LENGTH OF MAIZE. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2014;28(5):890-898. Available from: https://sid.ir/paper/141128/en

IEEE: Copy

M. GHEYSARI, M.M. MAJIDI, S.M. MIRLATIFI, M.J. ZAREIAN, S. AMIRI, and S.M. BANIFATEMEH, “THE EFFECTS OF TWO DIFFERENT DEFICIT IRRIGATION MANAGEMENTS ON THE ROOT LENGTH OF MAIZE,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 28, no. 5, pp. 890–898, 2014, [Online]. Available: https://sid.ir/paper/141128/en

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