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<p>The aim was to evaluate the growth, biomass production and bromatological composition of forage cactus clones under irrigation with treated sewage water and cutting management in semiarid region. For two years, the clones Orelha de Elefante Mexicana—OEM; IPA 20—MAO; Miúda—MIU e IPA Sertânia—IPA were subjected to irrigation with raw water (RW) and treated sewage (TSW), and to cutting managements (preserving the basal cladode—BC; preserving the 1st-order cladodes—FOC, and 2nd order—SOC). Data on total number (TNC), length (LC), width (WC), area (AC), and cladode area index (CAI) were obtained. Fresh matter (FM, Mg ha<sup>−1</sup>) and bromatology were determined. The use of TSW favored higher TNC (14.4 units), LC (24.4&#xa0;cm), WC (5.74&#xa0;cm), AC (210.6 cm<sup>2</sup>), and CAI (1.04 cm<sup>2</sup>&#xa0;cm<sup>−2</sup>). FOC and SOC enabled better plant development. Higher FM values were observed for MIU (57.60&#xa0;Mg&#xa0;ha<sup>−1</sup>), OEM (131.7&#xa0;Mg&#xa0;ha<sup>−1</sup>), and IPA (44.65&#xa0;Mg&#xa0;ha<sup>−1</sup>) under TSW and FOC and SOC management. Bromatology varied depending on the interaction between clones, water type, and cutting. The adoption of irrigation with TSW along with FOC and SOC cuts is viable for forage cactus production in the semiarid.</p>

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Biomass Production and Bromatological Composition of Forage Cactus Clones Subjected to Sewage Water Irrigation and Cutting Management

  • 期刊论文

  • 发表日期：

    2025年2月13日

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  • Jéssica Vanessa Góis de Siqueira,
  • Helder Ribeiro Freitas,
  • Júlio César Ferreira de Melo Júnior,
  • Cristiane Xavier Galhardo,
  • Thieres George Freire da Silva,
  • George do Nascimento Araújo Júnior,
  • Aquinor Conceição Rodrigues,
  • João Pedro Alves de Souza Santos,
  • Mônica Cristina Rezende Zuffo Borges,
  • Izanildo de Jesus Maciel,
  • Antônio Bruno Rodrigues Pontes,
  • Mário Adriano Ávila Queiroz

摘要

The aim was to evaluate the growth, biomass production and bromatological composition of forage cactus clones under irrigation with treated sewage water and cutting management in semiarid region. For two years, the clones Orelha de Elefante Mexicana—OEM; IPA 20—MAO; Miúda—MIU e IPA Sertânia—IPA were subjected to irrigation with raw water (RW) and treated sewage (TSW), and to cutting managements (preserving the basal cladode—BC; preserving the 1st-order cladodes—FOC, and 2nd order—SOC). Data on total number (TNC), length (LC), width (WC), area (AC), and cladode area index (CAI) were obtained. Fresh matter (FM, Mg ha−1) and bromatology were determined. The use of TSW favored higher TNC (14.4 units), LC (24.4 cm), WC (5.74 cm), AC (210.6 cm2), and CAI (1.04 cm2 cm−2). FOC and SOC enabled better plant development. Higher FM values were observed for MIU (57.60 Mg ha−1), OEM (131.7 Mg ha−1), and IPA (44.65 Mg ha−1) under TSW and FOC and SOC management. Bromatology varied depending on the interaction between clones, water type, and cutting. The adoption of irrigation with TSW along with FOC and SOC cuts is viable for forage cactus production in the semiarid.