APPLICATION OF PHASE I RESPONSE SURFACE METHODOLOGY IN AGRICULTURAL STUDIES: OPTIMIZATION OF WATER AND SALINITY STRESSES FOR SPRING WHEAT

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HAGHVERDI A.; GHAHRAMAN B.; DAVARI K.; KAFI M.

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Journal: Journal of Water and Soil Year:2013 | Volume:26 | Issue:6 Page(s): 1384-1394

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Title

APPLICATION OF PHASE I RESPONSE SURFACE METHODOLOGY IN AGRICULTURAL STUDIES: OPTIMIZATION OF WATER AND SALINITY STRESSES FOR SPRING WHEAT

Author(s)

HAGHVERDI A. | GHAHRAMAN B. | DAVARI K. | KAFI M. | Issue Writer Certificate

Keywords

BOX-COX CHARTQ2

DESIRABILITY FUNCTIONQ2

DEFICIT IRRIGATIONQ2

PARETO CHARTQ2

PRODUCTION FUNCTIONQ2

Abstract

In recent years lots of studies have been done about modeling water scarcity and salinity stresses and analysis of their effects on different characteristics of agricultural crops. The aims of this study is to use phase I of response surface methodology for analysis of water scarcity and salinity stresses in different growth stages of spring wheat in Mashhad region for achieving the highest amount of yield. The experiment was carried out in the Research Field of Agricultural Faculty of Ferdowsi University of Mashhad in 2009-2010. The experiment was factorial 25: four variables consist to irrigation water requirement in different growth stages, which two levels were 20 and 100 % of water requirement, and one variable to water salinity, which two levels were 0.5 and 10 dS/m. The result showed that all of the variables have great, but different, effect on yield. The interaction effect of irrigation water and salinity on grain yield was negligible. The water use efficiency (WUE) in different optimization scenarios varied between 5.84-7.31 kg.h-1.m-1. The results of optimization revealed the necessity of considering non linear models and planning the further experiments in internal levels of variables in current study, 20 and 100% of water requirement, and inclines towards to upper half, the tensions less that 50 %. Also the non linear and important effect of salinity demonstrates more details of this tension should be considered in further studies.

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APA: Copy

HAGHVERDI, A., GHAHRAMAN, B., DAVARI, K., & KAFI, M.. (2013). APPLICATION OF PHASE I RESPONSE SURFACE METHODOLOGY IN AGRICULTURAL STUDIES: OPTIMIZATION OF WATER AND SALINITY STRESSES FOR SPRING WHEAT. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 26(6), 1384-1394. SID. https://sid.ir/paper/141405/en

Vancouver: Copy

HAGHVERDI A., GHAHRAMAN B., DAVARI K., KAFI M.. APPLICATION OF PHASE I RESPONSE SURFACE METHODOLOGY IN AGRICULTURAL STUDIES: OPTIMIZATION OF WATER AND SALINITY STRESSES FOR SPRING WHEAT. JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2013;26(6):1384-1394. Available from: https://sid.ir/paper/141405/en

IEEE: Copy

A. HAGHVERDI, B. GHAHRAMAN, K. DAVARI, and M. KAFI, “APPLICATION OF PHASE I RESPONSE SURFACE METHODOLOGY IN AGRICULTURAL STUDIES: OPTIMIZATION OF WATER AND SALINITY STRESSES FOR SPRING WHEAT,” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 26, no. 6, pp. 1384–1394, 2013, [Online]. Available: https://sid.ir/paper/141405/en

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