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- Title
Estratégias de irrigação com água salobra e adubação na cultura do amendoim.
- Authors
da CRUZ FILHO, Elizeu Matos; Gomes de SOUSA, Geocleber; Rocha RIBEIRO, Rute Maria; Ciumbua CAMBISSA, Paulo Bumba; Pires de SOUZA, Maria Vanessa; da Silva NOGUEIRA, Rafaella
- Abstract
The use of brackish water associated with inadequate fertilizer management affects the productivity of agricultural crops. The research objective was to evaluate the productivity of peanut crops subjected to different irrigation strategies with brackish water and mineral and organomineral fertilization. The design used was completely randomized, in a 5 x 2 factorial scheme, with four replications, using five irrigation strategies with brackish water with an electrical conductivity of 4.0 dS m-1: EI1= brackish water from 7 days after irrigation. sowing-DAS; EI2= brackish water from 15 DAS; EI3= brackish water from 25 DAS; EI4= brackish water from 35 DAS and EI5= control treatment - without saline stress) with two fertilizers (M= mineral, OM= organomineral). Organomineral fertilization attenuated the negative effect of saline stress in the treatment with the start of irrigation with brackish water at 15 and 25 days after sowing for pod diameter, 35 DAS for pod mass and at 25 and 35 for productivity. The strategy of using brackish water seven days after sowing affects crop performance in terms of pod length, and at 7,15, 25, and 35, the number of pods per plant.
- Subjects
IRRIGATION; BRACKISH waters; PEANUTS; PLANT fertilization; BIOFERTILIZERS; PLANT nutrition
- Publication
Nativa, 2024, Vol 12, Issue 1, p20
- ISSN
2318-7670
- Publication type
Article
- DOI
10.31413/nat.v12i1.14047