EFFECT OF PHOSPHORUS AND ZINC ON THE GROWTH AND CHEMICAL COMPOSITION OF CORN

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RONAGHI A.; ADHAMI H.; KARIMIAN N.A.

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Journal: Journal of Water and Soil Science Year:2002 | Volume:6 | Issue:1 Page(s): 119-129

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Title

EFFECT OF PHOSPHORUS AND ZINC ON THE GROWTH AND CHEMICAL COMPOSITION OF CORN

Author(s)

RONAGHI A. | ADHAMI H. | KARIMIAN N.A. | Issue Writer Certificate

Keywords

PHOSPHORUS

ZINC

PLANT NUTRITION

CORN

Abstract

Micronutrients availability including that of Zn is critical for optimum growth of plants. ZINC availability in calcareous soils of Iran is relatively low due to the presence of a large amount of CaCO3 and high pH levels. Over application of PHOSPHORUS to soils may also cause P-induced Zn deficiency. The objective of this experiment was to evaluate the effect of PHOSPHORUS and ZINC application on the growth and chemical composition of CORN (Zea mays L.) under greenhouse conditions. Treatments consisted of a factorial combination of 5 levels of P (0, 25, 50, 100 and 200 μg P/g soil as KH2PO4) and 3 levels of Zn ( 0, 5 and 10 μg Zn/g soil as ZnSO4. 7H2O) in a completely randomized design with 3 replications. Plants were allowed to grow for 60 days and then cut at the soil surface. Results showed that P and Zn applications increased top dry weight. Applied P increased P concentration and total uptake in plants, but decreased Zn concentration and had no effect on Zn uptake. ZINC application decreased P concentration of CORN but increased Zn uptake and concentration. The P: Zn ratio in plants increased with P application but decreased with Zn addition. Application of P and Zn increased Fe concentration in plant but decreased Mn concentration and had no effect on Cu concentration. Prior to making any fertilizer recommendations, more research is required to precisely evaluate the response of CORN to P and Zn applications under field conditions.

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APA: Copy

RONAGHI, A., ADHAMI, H., & KARIMIAN, N.A.. (2002). EFFECT OF PHOSPHORUS AND ZINC ON THE GROWTH AND CHEMICAL COMPOSITION OF CORN. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 6(1), 119-129. SID. https://sid.ir/paper/538891/en

Vancouver: Copy

RONAGHI A., ADHAMI H., KARIMIAN N.A.. EFFECT OF PHOSPHORUS AND ZINC ON THE GROWTH AND CHEMICAL COMPOSITION OF CORN. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2002;6(1):119-129. Available from: https://sid.ir/paper/538891/en

IEEE: Copy

A. RONAGHI, H. ADHAMI, and N.A. KARIMIAN, “EFFECT OF PHOSPHORUS AND ZINC ON THE GROWTH AND CHEMICAL COMPOSITION OF CORN,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 6, no. 1, pp. 119–129, 2002, [Online]. Available: https://sid.ir/paper/538891/en

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