Potato organic fertilization with bovine manure in Esperança county - PB

In the Paraíba state the potato shows a low yield, due to the rain seasonality allied to the low soil fertility. This study aimed to evaluate the bovine manure efficiency in the organic fertilization of potato. The experiment was carried out in Esperança county, in a Regolithic neossoil. The design...

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Bibliographic Details
Published in:Ciência agronômica 2011-04, Vol.42 (2), p.482
Main Authors: Borchartt, Lucas, da Silva, Ivandro de França, Santana, Edivânia de Oliveira, de Souza, Cícero, Ferreira, Leonardo Elias
Format: Article
Language:Portuguese
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Summary:In the Paraíba state the potato shows a low yield, due to the rain seasonality allied to the low soil fertility. This study aimed to evaluate the bovine manure efficiency in the organic fertilization of potato. The experiment was carried out in Esperança county, in a Regolithic neossoil. The design used was randomized blocks, with bovine manure application in quantities of 0; 3; 6; 9; 12; 15; 18; 21 and 24 t ha -1 and 10 t ha -1 of bovine manure + NPK with percentages of 0; 12.5; 25; 37.5; 50; 62.5; 75; 87.5; and 100% of the formula 120-80-90 ( N-P2O5-K2O ), calculated by the soil analysis. The variables evaluated were: number and weight of tubers per plant, total yield and commercial; yield losses and dry matter of tubers. The use of bovine manure and bovine manure + NPK provided an increase in weight of tubers per plant, total yield and commercial potato tubers. This way, it is observed that the bovine manure is a good alternative as organic fertilization to the potato producers of this county.
ISSN:0045-6888
1806-6690