Interaction of Water and Nitrogen on the Yield and Water Use Efficiency in Maize Using Elasticity Theory

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SHOARI AZAD FARZANEH; RAHIMIKHOOB ALI; GHORBANIJAVID MAJID; NAZARIFAR MOHAMMAD HADI

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Journal: Iranian Journal of Soil and Water Research Year:2017 | Volume:47 | Issue:4 Page(s): 819-827

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Title

Interaction of Water and Nitrogen on the Yield and Water Use Efficiency in Maize Using Elasticity Theory

Author(s)

SHOARI AZAD FARZANEH | RAHIMIKHOOB ALI | GHORBANIJAVID MAJID | NAZARIFAR MOHAMMAD HADI | Issue Writer Certificate

Keywords

deficit irrigationQ2

fertilizerQ2

EconomyQ1

Water-plant relationshipQ1

yield function * CorrespondentQ1

Abstract

Water and nitrogen fertilizer are two of the main input factors in agricultural production, the deficiency of each one of which causes reduction in the crop yield. deficit irrigation is one of the ways for improvement of water management in arid and semiarid areas; meanwhile it affects the need for nitrogen. Excessive use of nitrogen will lead to a waste of capital and also environmental pollution. Throughout the present study the effect of the interaction of water and nitrogen fertilizer on maximum crop yield and maximum water productivity in maize was investigated using elasticity analysis theory. The tests were carried out during the summer of 1393 on the research farm of Aboureihan Pardis located in Pakdasht in the South East of Tehran. A split plot randomized complete block design of four treatments for water and four treatments for nitrogen fertilizer (in three replications) was employed. The maximum yield with no deficit irrigation and maximum water use efficiency were obtained, using the equations of the theory of elasticity. Results indicated that a maximum yield of 27467 kg ha-1 and 300 kg N ha-1 were achieved with 1011 mm of water and water use efficiency being estimated at 2. 75 kg per cubic meter. A maximum water use efficiency of 3. 02 kg m-3 was obtained when with 87% water deficit and 375 N per hectare.

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APA: Copy

SHOARI AZAD, FARZANEH, RAHIMIKHOOB, ALI, GHORBANIJAVID, MAJID, & NAZARIFAR, MOHAMMAD HADI. (2017). Interaction of Water and Nitrogen on the Yield and Water Use Efficiency in Maize Using Elasticity Theory. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 47(4 ), 819-827. SID. https://sid.ir/paper/225898/en

Vancouver: Copy

SHOARI AZAD FARZANEH, RAHIMIKHOOB ALI, GHORBANIJAVID MAJID, NAZARIFAR MOHAMMAD HADI. Interaction of Water and Nitrogen on the Yield and Water Use Efficiency in Maize Using Elasticity Theory. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2017;47(4 ):819-827. Available from: https://sid.ir/paper/225898/en

IEEE: Copy

FARZANEH SHOARI AZAD, ALI RAHIMIKHOOB, MAJID GHORBANIJAVID, and MOHAMMAD HADI NAZARIFAR, “Interaction of Water and Nitrogen on the Yield and Water Use Efficiency in Maize Using Elasticity Theory,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 47, no. 4 , pp. 819–827, 2017, [Online]. Available: https://sid.ir/paper/225898/en

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