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Parcelamento e época de aplicação foliar do molibdênio na composição mineral das folhas do feijoeiro
Author(s) -
André Assis Pires,
Geraldo Antônio de Andrade Araújo,
Uberlando Tiburtino Leite,
Poliana Daré Zampirolli,
José Márcio Oliveira Ribeiro,
Robson Celestino Meireles
Publication year - 2005
Publication title -
acta scientiarum. agronomy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.438
H-Index - 28
eISSN - 1807-8621
pISSN - 1679-9275
DOI - 10.4025/actasciagron.v27i1.1914
Subject(s) - molybdenum , horticulture , chemistry , mathematics , zoology , biology , inorganic chemistry
Avaliou-se a influência do molibdênio parcelado nos teores dos nutrientes foliares do feijoeiro. Conduziram-se dois experimentos em março-julho/2002, em Viçosa, Estado de Minas Gerais, delineados em blocos casualizados com quatro repetições, sendo os tratamentos: testemunha; 80 g ha-1 de Mo aplicados 15 dias após a emergência (DAE); 40 g ha-1 de Mo aplicados 15 DAE e 40 g ha-1 20 DAE; 40 g ha-1 de Mo 15 DAE e 40 g ha-1 25 DAE; 40 g ha-1 de Mo 15 DAE e 40 g ha-1 30 DAE; 80 g ha-1 de Mo 20 DAE; 40 g ha-1 de Mo 20 DAE e 40 g ha-1 25 DAE; 40 g ha-1 de Mo 20 DAE e 40 g ha-1 30 DAE; 80 g ha-1 de Mo 25 DAE; 40 g ha-1 de Mo 25 DAE e 40 g ha-1 30 DAE. O molibdênio, nas condições dos experimentos, aumentou os teores foliares de Mo, N, K e Mg.This work aimed at studying molybdenum foliar application effect on mineral common bean leaves composition. The experiments were carried out from March to July, 2002 in Viçosa, State of Minas Gerais, in randomized blocks with four replicates. The treatments consisted of: 1 - control, without Mo; 2 - 80 g ha-1 Mo applied 15 days after emergency (DAE); 3 - 40 g ha-1 Mo applied at 15 DAE, and 40g at 20 DAE; 4 - 40 g ha-1 Mo applied at 15 DAE, and 40 g ha-1 Mo at 25 DAE; 5 - 40 g ha-1 Mo applied at 15 DAE, and 40 g ha-1 Mo at 30 DAE; 6 - 80 g ha-1 Mo applied at 20 DAE; 7 - 40 g ha-1 Mo applied at 20 DAE, and 40 g ha-1 Mo at 25 DAE; 8 - 40 g ha-1 Mo applied at 20 DAE, and 40 g ha-1 Mo at 30 DAE; 9 - 80 g ha-1 Mo applied at 25 DAE; 10 - 40 g ha-1 Mo applied at 25 DAE, and 40 g ha-1 Mo at 30 DAE. The results showed that Mo increased the contents of Mo, N, K and Mg in the common bean leaves

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