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Pesquisa Agropecuária Brasileira
Article . 2007
Data sources: DOAJ
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Esterco bovino e calagem para formação de mudas de guanandi Cattle manure and liming for guanandi seedlings production

Authors: Adriana Guirado Artur; Mara Cristina Pessôa da Cruz; Manoel Evaristo Ferreira; Vitor Corrêa de Mattos Barretto; Renato Yagi;

Esterco bovino e calagem para formação de mudas de guanandi Cattle manure and liming for guanandi seedlings production

Abstract

O objetivo deste trabalho foi avaliar, em casa de vegetação, os efeitos de doses de esterco bovino e de calcário na formação de mudas de guanandi (Calophyllum brasiliense Cambèss.). Foram avaliadas quatro doses de cada fator, combinadas em esquema fatorial 4x4. O delineamento experimental foi inteiramente ao acaso com quatro repetições, e cada parcela continha cinco mudas. O substrato foi formado pela mistura, em volume, de oito partes de subsolo e duas partes de areia, e doses de esterco correspondentes a 0, 2, 4 e 6 partes que, em massa, equivalem a 0, 101, 175 e 229 kg m-3. As doses de calcário foram calculadas para elevar a saturação por bases (V%) a 20, 35, 50 e 65%. Aos 120 dias, foram avaliados: altura, diâmetro do colo, número de folhas, área foliar e matéria seca das partes aérea e radicular das mudas. Em substrato constituído de subsolo+areia, a calagem e a adubação com esterco bovino não são necessárias para produção de mudas de guanandi.The effects of cattle manure and lime levels in substrate were evaluated to produce guanandi (Calophyllum brasiliense Cambèss.) seedlings in greenhouse conditions. Four levels of each factor were evaluated, in a factorial scheme 4x4. The experimental design was completely randomized with four replicates, each plot with five seedlings. The substrate was obtained by the mixture of eight subsoil parts and two sand parts (v:v). The manure was applied in 0, 2, 4 and 6 parts, in volume, that correspond, in mass, to 0, 101, 175 and 229 kg m-3. Lime doses were calculated to increase the base saturation degree near to 20% (original subsoil sample), 35, 50 and 65%. Seedlings harvest was performed 120 days after transplant, when height, stem diameter, leaf number, leaf area, shoot and root dry matter were evaluated. For substrate constituted by subsoil+sand, the liming and the cattle manure are not necessary to produce guanandi seedlings.

Keywords

substrato, organic fertilizer, adubação orgânica, Agriculture (General), substrate, Calophyllum brasiliense, S1-972

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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