GROWTH AND CHEMICAL COMPOSITION OF CORN AS AFFECTED BY PHOSPHORUS AND IRON

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RONAGHI A.; CHAKEROLHOSSEINI M.R.; KARIMIAN N.

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Journal: Journal of Water and Soil Science Year:2002 | Volume:6 | Issue:2 Page(s): 66-75

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Title

GROWTH AND CHEMICAL COMPOSITION OF CORN AS AFFECTED BY PHOSPHORUS AND IRON

Author(s)

RONAGHI A. | CHAKEROLHOSSEINI M.R. | KARIMIAN N. | Issue Writer Certificate

Keywords

PHOSPHORUS

IRON

PLANT NUTRITION

CORN

CALCIUM CARBONATE

Abstract

PHOSPHORUS (P) and IRON (Fe) are essential nutrients for plants. IRON availability is low in calcareous soils of Iran due to the excessive amounts of CaCO3 and high PH. Over-fertilization of P fertilizers may also decrease Fe availability. The objective of this study was to evaluate the effect of P and Fe on the growth and chemical composition of CORN (Zea mays L.) under greenhouse conditions. Treatments consisted of a factorial arrangement of P rates (0, 40, 80, 120 and 160 mg kg-1 as KH2PO4) and Fe rates (0, 2.5, 5 and 10mg kg-1 as Fe EDDHA) in a completely randomized design with four replications. Plants were grown for 8 weeks in a loamy soil, classified as Chitgar series (fine-loamy, carbonatic, thermic, Typic Calcixerepts).Results showed that P application up to 80 mg kg-1 increased CORN top dry matter. CORN P concentration and total uptake increased by P application but decreased by Fe application. Application of Fe up to 5 mg kg-1 increased dry matter but decreased it at higher rates. Concentration and total uptake of Fe increased by Fe application but decreased by P application. Zinc and copper concentrations decreased significantly when P was added. Manganese concentration increased at 40 mg P kg-1 but decreased at higher rates. IRON application decreased zinc and manganese concentrations but had no effect on copper.

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APA: Copy

RONAGHI, A., CHAKEROLHOSSEINI, M.R., & KARIMIAN, N.. (2002). GROWTH AND CHEMICAL COMPOSITION OF CORN AS AFFECTED BY PHOSPHORUS AND IRON. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 6(2), 66-75. SID. https://sid.ir/paper/539839/en

Vancouver: Copy

RONAGHI A., CHAKEROLHOSSEINI M.R., KARIMIAN N.. GROWTH AND CHEMICAL COMPOSITION OF CORN AS AFFECTED BY PHOSPHORUS AND IRON. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2002;6(2):66-75. Available from: https://sid.ir/paper/539839/en

IEEE: Copy

A. RONAGHI, M.R. CHAKEROLHOSSEINI, and N. KARIMIAN, “GROWTH AND CHEMICAL COMPOSITION OF CORN AS AFFECTED BY PHOSPHORUS AND IRON,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 6, no. 2, pp. 66–75, 2002, [Online]. Available: https://sid.ir/paper/539839/en

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