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Organic fertiliser and the use of mulch in cowpea production under semiarid conditions

2015; UNIVERSIDADE FEDERAL DO CEARÁ; Volume: 46; Issue: 4 Linguagem: Inglês

10.5935/1806-6690.20150055

1982-9329

Wagner Santos Lima Azevedo, José Amilton Santos Júnior, Alexandre Eduardo de Araújo, Aldrin Martin Pérez-Marin, Salomão de Sousa Medeiros,

Agronomic Practices and Intercropping Systems

The reduction on crop production observed in semiarid conditions is closely linked to soils degradation in their physical, microbiological and fertility aspects. Based on this premise, the effects of different types of organic fertilizers associated to the use of mulching in the production of cowpea grown in Paraíba state, Brazil, under semiarid conditions, was studied. The research was conducted under field conditions in the municipality of Casserengue, PB, from April to July 2010. The statistical design in randomized block design with five treatments and five replicates was used, totaling 25 experimental units. Treatments consisted on application of cattle manure or biofertilizer on presence or absence of mulch, plus a control treatment, without fertilization or mulching. It was found that cowpea plants grown under the interaction between manure and mulch had higher phytomass and grain production.