Year: 2017
Type: article
Abstract: Cowpea (Vigna unguiculata L Walp) is a legume of great social and economic importance in tropical regions.The plant is tolerant to soil and climatic adversity, while it has high nutritional value with high protein, minerals and vitamins contents.The cowpea legume has a very high ability to fix N 2 which is important because it can reduce the costs of soluble mineral fertilizers and may contribute to sustainable agriculture, preserving the environment and natural resources.In order to observe the influence of Rhizobia the agronomic effectiveness of cowpea strains was tested in two consecutive years compared with the mineral N fertilization.The experiments were carried out in different soils of the Brazilian Northeast (semiarid and rain forest region) which measured the effectiveness of rhizobia on grain yield.The results revealed the effectiveness of strain BR 3299 in the experiment that significantly increased the grain yield (3 times when 50 kg ha -1 of N, and 2 times when 80 kg ha -1 N were used).The Rhizobia treatment promoted the grain yield (up to 1,600 kg ha -1 ), compared to application of 80 kg ha -1 of N. In general, all applied strains promoted the Brazilian Northeast average cowpea yield (300-400 kg ha -1 ).
Authors: Embrapa Agrobiologia, Rodovia BR-465, Km 7. 23891-000, Seropédica, Rio de Janeiro, Brazil, Gustavo Ribeiro Xavier, Norma Gouvêa Runjanek, Embrapa Agrobiologia, Rodovia BR-465, Km 7. 23891-000, Seropédica, Rio de Janeiro, Brazil, Carolina Etienne de Rosália e Silva Santos, Ana Dolores Santiago de Freitas, Vinicius Santos Gomes da Silva, Aleksandro Ferreira da Silva, Juscélia da Silva Ferreira, Newton Pereira Stamford, Lindete Míria Vieira Martins, Jakson Leite, Luiz Balbino Morgado, Embrapa Semiárido, Rodovia BR-428, Km 152, 56302-970, Petrolina, Pernambuco, Brazil, Rosa Maria Cardoso Mota de Alcantara, Embrapa Meio Norte, Av. Duque de Caxias, nº 5.650, 64006-220, Teresina, Piauí, Brazil
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: bronze
OpenAlex ID: W2767510318