Agriculture

Influence of the sanitary sewage application method to closed-end furrows on the macronutrient extraction capacity and productivity of elephant grass

M. V. A. Marques, A. T. D. Matos, et al.

This study reveals how different raw sanitary sewage application methods can significantly enhance elephant grass dry matter yield and nutrient extraction. Notably, the alternating application method outperformed conventional mineral fertilization, offering a sustainable solution for agricultural productivity. This research was conducted by Marcus Vinícius Araújo Marques, Antonio Teixeira de Matos, Thiago Henrique Ribeiro Silvério, and Ana Paula Miranda Pereira.

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Abstract

This study evaluated the impact of raw sanitary sewage (RS) application methods in closed-end furrows on elephant grass dry matter yield and macronutrient (N, P, K) extraction. Over three years, elephant grass was fertigated with RS (dosage based on 300 kg ha⁻¹ year⁻¹ sodium), comparing alternating (TFA) and non-alternating (TFN) RS application positions against conventional mineral fertilization (CMF) with treated water (TWN and TWA). TFA showed the highest dry matter yield (29.9 Mg ha⁻¹ year⁻¹) and macronutrient extraction (688, 102, 508 kg ha⁻¹ year⁻¹ of N, P, and K respectively), highlighting the benefits of alternating RS application.

Publisher

Scientific Reports

Published On

Nov 17, 2020

Authors

Marcus Vinícius Araújo Marques, Antonio Teixeira de Matos, Thiago Henrique Ribeiro Silvério, Ana Paula Miranda Pereira

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