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Agronomy 2018, 8(5), 67; https://doi.org/10.3390/agronomy8050067

Diluted Sugar Mill Effluent Application with PGPR Improves the Performance of Maize (Zea mays L.) under an Arid Climate

College of Agriculture, Bahauddin Zakariya University, Bahadur Sub-Campus, Layyah-3100, Pakistan
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Received: 2 March 2018 / Revised: 13 April 2018 / Accepted: 21 April 2018 / Published: 4 May 2018
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Abstract

The disposal of sugar mill effluent is a serious matter of concern for the sugar industry. In this regard, the dilution of sugar mill effluent in combination with plant growth promoting rhizobacteria (PGPR) might be a viable option for improving crop growth. In this study, we evaluated the potential of diluted sugar mill effluent (SME) and PGPR to improve maize (Zea mays L.) performance. Seeds of a maize hybrid (Pioneer 1543) were sown in 20 kg soil-filled pots. The pots were irrigated with various sugar mill effluent concentrations (viz. 0, 15%, 30%, 45%, 60%, 75% and 100% v/v). The results indicated that application of SME up to a concentration of 75% improved the stay-green, leaf emergence, growth and productivity of maize. However, the application of SME at a concentration of 100% was detrimental for maize plants and decreased the maize growth. The application of PGPR was also beneficial for improvement in stay-green, leaf emergence, growth and productivity of maize as compared with control (no PGPR application). In conclusion, the use of SME at concentration of 75% in combination with PGPR was the most effective method for improvement in stay-green, leaf emergence, growth and productivity of maize. View Full-Text
Keywords: diluted sugar mill effluent; maize; stay-green; leaf emergence; PGPR; arid climate diluted sugar mill effluent; maize; stay-green; leaf emergence; PGPR; arid climate
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Ijaz, M.; Sarfraz, M.; Nawaz, A.; Yasir, T.A.; Sher, A.; Sattar, A.; Wasaya, A. Diluted Sugar Mill Effluent Application with PGPR Improves the Performance of Maize (Zea mays L.) under an Arid Climate. Agronomy 2018, 8, 67.

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