THE EFFECT OF APPLICATION OF PHYTOTOXIC LEVELS OF BORON ALONG WITH SULPHUR ON NUTRIENT CONTENT IN COTTON (Gossypium hirsutum L.)

Published in Scientific Papers. Series A. Agronomy, Vol. LX
Written by Fırat KURT, Mefhar Gültekin TEMİZ

This study was carried out determining the effect of phytotoxic boron along with sulphur fertilizers on nutrient content in cotton in the research field of the department of field crops at Dicle University between 2013 and 2014. In the trial designed in randomized complete split block, the effect of two sulphur doses (0-100 kg da-1) and four boron doses (0, 2.5, 5 and 15 mg kg-1) on nutrient concentrations of cotton leaves were examined. According to the results, 5 and 15 mg kg-1 of B treatments with and without sulphur did not cause any visible toxic symptoms in cotton. Moreover, the treatments resulted in uptake of N, P, K, Fe, Zn and Mn nutrients in sufficiency ranges whereas Ca, S, Mg, Cu and Mo concentrations were lower than required concentration ranges of these nutrients. B content of leaves was found in sufficient range in plots where phytotoxic level of B was used. The effect of S application over N, K, Ca, B, Mn and Mo content of leaves showed decrease of these nutrients’ concentrations but an increase the concentrations of S, Mg, Fe, Zn and Cu. In addition to this, the content of Mo was the lowest among nutrients. In terms of B and S interaction, P concentrations showed inconsistent results during the study.

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KURT F., TEMİZ M.G. 2017, THE EFFECT OF APPLICATION OF PHYTOTOXIC LEVELS OF BORON ALONG WITH SULPHUR ON NUTRIENT CONTENT IN COTTON (Gossypium hirsutum L.). Scientific Papers. Series A. Agronomy, Vol. LX, ISSN 2285-5785, 294-301.


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