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
Tags
raw sanitary sewage
elephant grass
dry matter yield
macronutrients
fertigation
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