THE EFFECTS OF OPTIMAL POTASSIUM NOURISHMENT AND DIFFERENT IRRIGATION MANAGEMENT ON THE DECREASED CONSUMPTIVE USED WATER IN CORN

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VALIFAR A.; MOAFPOORIAN GH.; TADAYON M.S.; ASHRAF MANSOURI GH.R.

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Paper Information

Journal: PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH) Year:2013 | Volume:5 | Issue:14 Page(s): 45-58

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Title

THE EFFECTS OF OPTIMAL POTASSIUM NOURISHMENT AND DIFFERENT IRRIGATION MANAGEMENT ON THE DECREASED CONSUMPTIVE USED WATER IN CORN

Author(s)

VALIFAR A. | MOAFPOORIAN GH. | TADAYON M.S. | ASHRAF MANSOURI GH.R. | Issue Writer Certificate

Keywords

POTASSIUMQ2

NOURISHMENTQ3

IRRIGATION FREQUENCYQ2

CORNQ2

Abstract

Corn is an efficient crop in the living of human being. With regard to the arid and semi-arid conditions of our country and the presence of dry periods in recent years, this research was conducted in to investigate the positive role of POTASSIUM in declining the negative effects of deficit irrigation and application of suitable irrigation method. This experiment was conducted as Randomized Complete block Design on CORN Plant Line- 704 single cross in form of split plots in Zarghan town in 2010. The main factor was IRRIGATION FREQUENCY: 1. the complete irrigation during the whole growing season, 2. The alternate irrigation in every other day, except in germination and flowering stages, 3. The alternate irrigation in every other day in the whole growing season. And the minor factor was the application of POTASSIUM sulfate fertilizer in four levels (0.00, 100, 200 and 300kg.ha). The results showed that the alternate irrigation treatment of every other day except in germination and flowering stages, caused a significant increase in grain yield( 4.9318 t.ha-1), while constant irrigation of every other day did not have a significant effect on grain yield (2.6453 t.ha-1). With regard to the different levels of POTASSIUM sulfate effect on leaf-area index dry weight of the cob, number of rows in cob, number of grain in row and grain yield had a significant statistical difference. Application of 300kg POTASSIUM sulfate per hectar caused the highest leaf-area index(5.8178), cob diameter(4.437cm), dry weight of the cob(0.163gr.m), number of row per cob(14.883), number of grain per row (28.478), harvest index (23.0785%) and grain yield(4.41 t.ha-1). The interaction effect of every other day irrigation except during germination and flowering stages had the highest grain yield through the application of 300 kg POTASSIUM fertilizer per ha (5.974 t.ha-1).

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APA: Copy

VALIFAR, A., MOAFPOORIAN, GH., TADAYON, M.S., & ASHRAF MANSOURI, GH.R.. (2013). THE EFFECTS OF OPTIMAL POTASSIUM NOURISHMENT AND DIFFERENT IRRIGATION MANAGEMENT ON THE DECREASED CONSUMPTIVE USED WATER IN CORN. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), 5(14), 45-58. SID. https://sid.ir/paper/188260/en

Vancouver: Copy

VALIFAR A., MOAFPOORIAN GH., TADAYON M.S., ASHRAF MANSOURI GH.R.. THE EFFECTS OF OPTIMAL POTASSIUM NOURISHMENT AND DIFFERENT IRRIGATION MANAGEMENT ON THE DECREASED CONSUMPTIVE USED WATER IN CORN. PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH)[Internet]. 2013;5(14):45-58. Available from: https://sid.ir/paper/188260/en

IEEE: Copy

A. VALIFAR, GH. MOAFPOORIAN, M.S. TADAYON, and GH.R. ASHRAF MANSOURI, “THE EFFECTS OF OPTIMAL POTASSIUM NOURISHMENT AND DIFFERENT IRRIGATION MANAGEMENT ON THE DECREASED CONSUMPTIVE USED WATER IN CORN,” PLANT ECOPHYSIOLOGY (ARSANJAN BRANCH), vol. 5, no. 14, pp. 45–58, 2013, [Online]. Available: https://sid.ir/paper/188260/en

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