Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian Cerrado
This study aimed to evaluate the agronomic performance and yield of broccoli grown under different sources and rates of specialty phosphorus (P) fertilizers in Uberaba, Minas Gerais, Brazil. The experiment was conducted in a randomized block design arranged in a split-plot scheme, testing three P so...
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MDPI AG
2025-06-01
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| author | Dinamar Márcia da Silva Vieira Reginaldo de Camargo Miguel Henrique Rosa Franco Valdeci Orioli Júnior Arcângelo Loss Hamilton César de Oliveira Charlo Fausto Antônio Domingos Júnior José Luiz Rodrigues Torres |
| author_facet | Dinamar Márcia da Silva Vieira Reginaldo de Camargo Miguel Henrique Rosa Franco Valdeci Orioli Júnior Arcângelo Loss Hamilton César de Oliveira Charlo Fausto Antônio Domingos Júnior José Luiz Rodrigues Torres |
| author_sort | Dinamar Márcia da Silva Vieira |
| collection | DOAJ |
| description | This study aimed to evaluate the agronomic performance and yield of broccoli grown under different sources and rates of specialty phosphorus (P) fertilizers in Uberaba, Minas Gerais, Brazil. The experiment was conducted in a randomized block design arranged in a split-plot scheme, testing three P sources: (1) conventional monoammonium phosphate (CMP); (2) polymer-coated monoammonium phosphate (PCMP); and (3) organomineral fertilizer (Org). Four application rates were evaluated: 0 (no P applied), 50% (200 kg ha<sup>−1</sup> of P<sub>2</sub>O<sub>5</sub>), 75% (300 kg ha<sup>−1</sup> of P<sub>2</sub>O<sub>5</sub>), and 100% (400 kg ha<sup>−1</sup> of P<sub>2</sub>O<sub>5</sub>) of the recommended phosphorus rate for broccoli, with four replications. The parameters assessed included plant nutritional status, soil fertility at harvest, number of leaves (NL), fresh head weight (FHW), dry head weight (DHW), and broccoli yield (YLD). In the first growing cycle, broccoli showed the highest NL (24), FHW (1.05 kg plant<sup>−1</sup>), DHW (0.27 kg plant<sup>−1</sup>), and YLD (18.81 Mg ha<sup>−1</sup>) values when PCMP was applied, which was 5, 25, 8 and 23% higher than Org and 20, 25, 14 and 34% higher than CMP. In the second cycle, broccoli showed higher values of NL (23), FHW (1.85 kg plant<sup>−1</sup>), DHW (0.26 kg plant<sup>−1</sup>), and YLD (33.01 Mg ha<sup>−1</sup>) where Org was applied, which was 4, 15, 8 and 5% higher than CMP and 2, 24, 4 and 14% higher than PCMP, respectively. All the variables evaluated showed the highest values at the 100% dose. Broccoli yield in the same area was 124%, 153%, and 115% higher in the second cycle compared to the first for CMP, PCMP, and Org, respectively. The greatest residual effect on soil fertility was observed in the area treated with the Org. |
| format | Article |
| id | doaj-art-2665cd1d756d4b06a6c164ed4decace4 |
| institution | Kabale University |
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| publishDate | 2025-06-01 |
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| spelling | doaj-art-2665cd1d756d4b06a6c164ed4decace42025-08-20T03:24:38ZengMDPI AGHorticulturae2311-75242025-06-0111663110.3390/horticulturae11060631Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian CerradoDinamar Márcia da Silva Vieira0Reginaldo de Camargo1Miguel Henrique Rosa Franco2Valdeci Orioli Júnior3Arcângelo Loss4Hamilton César de Oliveira Charlo5Fausto Antônio Domingos Júnior6José Luiz Rodrigues Torres7Department of Agronomy, Agricultural Sciences Institute, Federal University of Uberlandia, Glória Campus, Uberlandia 38410-337, MG, BrazilDepartment of Agronomy, Agricultural Sciences Institute, Federal University of Uberlandia, Glória Campus, Uberlandia 38410-337, MG, BrazilAGROCP Company, Uberlândia 38408-684, MG, BrazilFederal Institute of Triangulo Mineiro, Uberaba Campus, 4000 São João Batista Ribeiro St., Uberaba 38064-790, MG, BrazilAgricultural Sciences Center, Department of Rural Engineering, Federal University of Santa Catarina, Campus Florianópolis, Florianópolis 88035-972, SC, BrazilFederal Institute of Triangulo Mineiro, Uberaba Campus, 4000 São João Batista Ribeiro St., Uberaba 38064-790, MG, BrazilFederal Institute of Triangulo Mineiro, Uberaba Campus, 4000 São João Batista Ribeiro St., Uberaba 38064-790, MG, BrazilFederal Institute of Triangulo Mineiro, Uberaba Campus, 4000 São João Batista Ribeiro St., Uberaba 38064-790, MG, BrazilThis study aimed to evaluate the agronomic performance and yield of broccoli grown under different sources and rates of specialty phosphorus (P) fertilizers in Uberaba, Minas Gerais, Brazil. The experiment was conducted in a randomized block design arranged in a split-plot scheme, testing three P sources: (1) conventional monoammonium phosphate (CMP); (2) polymer-coated monoammonium phosphate (PCMP); and (3) organomineral fertilizer (Org). Four application rates were evaluated: 0 (no P applied), 50% (200 kg ha<sup>−1</sup> of P<sub>2</sub>O<sub>5</sub>), 75% (300 kg ha<sup>−1</sup> of P<sub>2</sub>O<sub>5</sub>), and 100% (400 kg ha<sup>−1</sup> of P<sub>2</sub>O<sub>5</sub>) of the recommended phosphorus rate for broccoli, with four replications. The parameters assessed included plant nutritional status, soil fertility at harvest, number of leaves (NL), fresh head weight (FHW), dry head weight (DHW), and broccoli yield (YLD). In the first growing cycle, broccoli showed the highest NL (24), FHW (1.05 kg plant<sup>−1</sup>), DHW (0.27 kg plant<sup>−1</sup>), and YLD (18.81 Mg ha<sup>−1</sup>) values when PCMP was applied, which was 5, 25, 8 and 23% higher than Org and 20, 25, 14 and 34% higher than CMP. In the second cycle, broccoli showed higher values of NL (23), FHW (1.85 kg plant<sup>−1</sup>), DHW (0.26 kg plant<sup>−1</sup>), and YLD (33.01 Mg ha<sup>−1</sup>) where Org was applied, which was 4, 15, 8 and 5% higher than CMP and 2, 24, 4 and 14% higher than PCMP, respectively. All the variables evaluated showed the highest values at the 100% dose. Broccoli yield in the same area was 124%, 153%, and 115% higher in the second cycle compared to the first for CMP, PCMP, and Org, respectively. The greatest residual effect on soil fertility was observed in the area treated with the Org.https://www.mdpi.com/2311-7524/11/6/631<i>Brassica oleracea</i> var. <i>italica</i>soil fertilityleaf nutrient contentbroccoli yieldfertilizer efficiency |
| spellingShingle | Dinamar Márcia da Silva Vieira Reginaldo de Camargo Miguel Henrique Rosa Franco Valdeci Orioli Júnior Arcângelo Loss Hamilton César de Oliveira Charlo Fausto Antônio Domingos Júnior José Luiz Rodrigues Torres Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian Cerrado Horticulturae <i>Brassica oleracea</i> var. <i>italica</i> soil fertility leaf nutrient content broccoli yield fertilizer efficiency |
| title | Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian Cerrado |
| title_full | Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian Cerrado |
| title_fullStr | Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian Cerrado |
| title_full_unstemmed | Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian Cerrado |
| title_short | Broccoli Cultivation Under Different Sources and Rates of Specialty Phosphorus Fertilizers in the Brazilian Cerrado |
| title_sort | broccoli cultivation under different sources and rates of specialty phosphorus fertilizers in the brazilian cerrado |
| topic | <i>Brassica oleracea</i> var. <i>italica</i> soil fertility leaf nutrient content broccoli yield fertilizer efficiency |
| url | https://www.mdpi.com/2311-7524/11/6/631 |
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