Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru)
Grassland ecosystems cover about 25% of the Earth’s surface, providing essential ecosystem services that benefit nature, people, and food security. This study evaluated agronomic and nutritional parameters of ryegrass (Lolium multiflorum Lam.) based on fertilization levels and cutting frequency in t...
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MDPI AG
2025-01-01
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| Online Access: | https://www.mdpi.com/2073-4395/15/1/100 |
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| author | Héctor V. Vásquez Leandro Valqui Leidy G. Bobadilla Enrique Meseth Milton J. Trigoso Luis H. Zagaceta Lamberto Valqui-Valqui David Saravia-Navarro Elgar Barboza Jorge L. Maicelo |
| author_facet | Héctor V. Vásquez Leandro Valqui Leidy G. Bobadilla Enrique Meseth Milton J. Trigoso Luis H. Zagaceta Lamberto Valqui-Valqui David Saravia-Navarro Elgar Barboza Jorge L. Maicelo |
| author_sort | Héctor V. Vásquez |
| collection | DOAJ |
| description | Grassland ecosystems cover about 25% of the Earth’s surface, providing essential ecosystem services that benefit nature, people, and food security. This study evaluated agronomic and nutritional parameters of ryegrass (Lolium multiflorum Lam.) based on fertilization levels and cutting frequency in the Amazonas department. The INIA 910—Kumymarca variety was used with nitrogen fertilization rates (0, 60, 120, 180 kg/ha) and cutting intervals of 30 and 45 days for agronomic traits and 30, 45, and 60 days for nutritional traits. A randomized complete block design with eight treatments and three replications was applied. Repeated measures analysis and Tukey’s mean comparison tests (<i>p</i> < 0.005) were performed, along with Pearson correlation and response surface analysis using the central composite design in R. The results showed that applying 180 kg/ha of nitrogen with a 45-day cutting interval provided the highest dry matter yield (460 kg/m<sup>2</sup>) and superior agronomic traits, including plant height (96.73 cm), number of tillers, and stem diameter. Non-fertilized treatments had the highest crude protein content (17.45%) and digestibility, while higher nitrogen doses increased crude fiber and acid detergent fiber, reducing digestibility. Significant correlations were observed between fresh and dry weight with plant height (<i>p</i> = 0.000; r = 0.84), fiber contents (<i>p</i> = 0.000; r = 1), and ash and protein content (<i>p</i> = 0.000; r = 0.85). The optimal management practice was cutting every 45 days with 180 kg/ha of nitrogen (T8), maximizing forage yield and quality. Proper fertilization and cutting management can improve ryegrass production, benefiting livestock feeding and rural economies. |
| format | Article |
| id | doaj-art-26105b237ec14eeea81ec85907267acf |
| institution | Kabale University |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
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| series | Agronomy |
| spelling | doaj-art-26105b237ec14eeea81ec85907267acf2025-01-24T13:16:43ZengMDPI AGAgronomy2073-43952025-01-0115110010.3390/agronomy15010100Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru)Héctor V. Vásquez0Leandro Valqui1Leidy G. Bobadilla2Enrique Meseth3Milton J. Trigoso4Luis H. Zagaceta5Lamberto Valqui-Valqui6David Saravia-Navarro7Elgar Barboza8Jorge L. Maicelo9Laboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruLaboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruLaboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruDirección de Desarrollo Tecnológico Agrario (DDTA), Instituto Nacional de Innovación Agraria (INIA), Av. La Molina 1981, Lima 15024, PeruLaboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruLaboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruLaboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruDirección de Desarrollo Tecnológico Agrario (DDTA), Instituto Nacional de Innovación Agraria (INIA), Av. La Molina 1981, Lima 15024, PeruLaboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruLaboratorio de Agrostología, Instituto de Investigación en Ganadería y Biotecnología (IGBI), Facultad de Ingeniería Zootecnista, Agronegocios y Biotecnología, Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, PeruGrassland ecosystems cover about 25% of the Earth’s surface, providing essential ecosystem services that benefit nature, people, and food security. This study evaluated agronomic and nutritional parameters of ryegrass (Lolium multiflorum Lam.) based on fertilization levels and cutting frequency in the Amazonas department. The INIA 910—Kumymarca variety was used with nitrogen fertilization rates (0, 60, 120, 180 kg/ha) and cutting intervals of 30 and 45 days for agronomic traits and 30, 45, and 60 days for nutritional traits. A randomized complete block design with eight treatments and three replications was applied. Repeated measures analysis and Tukey’s mean comparison tests (<i>p</i> < 0.005) were performed, along with Pearson correlation and response surface analysis using the central composite design in R. The results showed that applying 180 kg/ha of nitrogen with a 45-day cutting interval provided the highest dry matter yield (460 kg/m<sup>2</sup>) and superior agronomic traits, including plant height (96.73 cm), number of tillers, and stem diameter. Non-fertilized treatments had the highest crude protein content (17.45%) and digestibility, while higher nitrogen doses increased crude fiber and acid detergent fiber, reducing digestibility. Significant correlations were observed between fresh and dry weight with plant height (<i>p</i> = 0.000; r = 0.84), fiber contents (<i>p</i> = 0.000; r = 1), and ash and protein content (<i>p</i> = 0.000; r = 0.85). The optimal management practice was cutting every 45 days with 180 kg/ha of nitrogen (T8), maximizing forage yield and quality. Proper fertilization and cutting management can improve ryegrass production, benefiting livestock feeding and rural economies.https://www.mdpi.com/2073-4395/15/1/100forage qualitydry matterlivestockhigh Andean pasturesoptimal cutting time |
| spellingShingle | Héctor V. Vásquez Leandro Valqui Leidy G. Bobadilla Enrique Meseth Milton J. Trigoso Luis H. Zagaceta Lamberto Valqui-Valqui David Saravia-Navarro Elgar Barboza Jorge L. Maicelo Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru) Agronomy forage quality dry matter livestock high Andean pastures optimal cutting time |
| title | Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru) |
| title_full | Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru) |
| title_fullStr | Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru) |
| title_full_unstemmed | Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru) |
| title_short | Agronomic and Nutritional Evaluation of INIA 910—Kumymarca Ryegrass (<i>Lolium multiflorum</i> Lam.): An Alternative for Sustainable Forage Production in Department of Amazonas (NW Peru) |
| title_sort | agronomic and nutritional evaluation of inia 910 kumymarca ryegrass i lolium multiflorum i lam an alternative for sustainable forage production in department of amazonas nw peru |
| topic | forage quality dry matter livestock high Andean pastures optimal cutting time |
| url | https://www.mdpi.com/2073-4395/15/1/100 |
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