‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION
ABSTRACT The aim of this work was to evaluate the effects of orchard fertilization with increasing rates of phosphorus (P) on yield and critical levels of P in the soil and in the leaf of ‘Fuji’ apple trees. The experiment was conducted in São Joaquim, state of Santa Catarina, southern Brazil, from...
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doaj-17bdafc75e114bf8a9d777ca980e960d2020-11-24T23:32:42ZengSociedade Brasileira de FruticulturaRevista Brasileira de Fruticultura1806-996739110.1590/0100-29452017369S0100-29452017000103001‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATIONGILBERTO NAVAMARLISE NARA CIOTTAGUSTAVO BRUNETTOABSTRACT The aim of this work was to evaluate the effects of orchard fertilization with increasing rates of phosphorus (P) on yield and critical levels of P in the soil and in the leaf of ‘Fuji’ apple trees. The experiment was conducted in São Joaquim, state of Santa Catarina, southern Brazil, from 2010 to 2015, in an Inceptisol soil. The three apple orchards were planted in 2004 with the Fuji cultivar grafted on Marubakaido/ M9 rootstock and grown under a high-plant-density system (1984 trees ha-1). Annual fertilizer levels of 0, 40, 80, 120 and 160 kg ha-1 of P2O5 (as triple superphosphate) were applied to the soil surface, without incorporation, in a randomized block design with five replicates. In the first and last years (2011 and 2015), soil samples were collected from 0-10, 10-20 and 0-20 cm layers and the available P content was analyzed. Annually, whole leaves were collected and analyzed for P content. The number and weight of fruits per tree and hfruit yield were also evaluated. Application of P increased the content of available P in the soil, but this increase was not accompanied by increased leaf P content nor by increased fruit yield. This suggests that, in soils with medium to high content of organic matter and well fertilized with P before planting, there is no response of apple trees for P reapplication in the 10 subsequent years.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000103001&lng=en&tlng=enMalus domestica Borkhnível críticoproduçãoanálise foliar |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
GILBERTO NAVA MARLISE NARA CIOTTA GUSTAVO BRUNETTO |
spellingShingle |
GILBERTO NAVA MARLISE NARA CIOTTA GUSTAVO BRUNETTO ‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION Revista Brasileira de Fruticultura Malus domestica Borkh nível crítico produção análise foliar |
author_facet |
GILBERTO NAVA MARLISE NARA CIOTTA GUSTAVO BRUNETTO |
author_sort |
GILBERTO NAVA |
title |
‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION |
title_short |
‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION |
title_full |
‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION |
title_fullStr |
‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION |
title_full_unstemmed |
‘FUJI’ APPLE TREE RESPONSE TO PHOSPHORUS FERTILIZATION |
title_sort |
‘fuji’ apple tree response to phosphorus fertilization |
publisher |
Sociedade Brasileira de Fruticultura |
series |
Revista Brasileira de Fruticultura |
issn |
1806-9967 |
description |
ABSTRACT The aim of this work was to evaluate the effects of orchard fertilization with increasing rates of phosphorus (P) on yield and critical levels of P in the soil and in the leaf of ‘Fuji’ apple trees. The experiment was conducted in São Joaquim, state of Santa Catarina, southern Brazil, from 2010 to 2015, in an Inceptisol soil. The three apple orchards were planted in 2004 with the Fuji cultivar grafted on Marubakaido/ M9 rootstock and grown under a high-plant-density system (1984 trees ha-1). Annual fertilizer levels of 0, 40, 80, 120 and 160 kg ha-1 of P2O5 (as triple superphosphate) were applied to the soil surface, without incorporation, in a randomized block design with five replicates. In the first and last years (2011 and 2015), soil samples were collected from 0-10, 10-20 and 0-20 cm layers and the available P content was analyzed. Annually, whole leaves were collected and analyzed for P content. The number and weight of fruits per tree and hfruit yield were also evaluated. Application of P increased the content of available P in the soil, but this increase was not accompanied by increased leaf P content nor by increased fruit yield. This suggests that, in soils with medium to high content of organic matter and well fertilized with P before planting, there is no response of apple trees for P reapplication in the 10 subsequent years. |
topic |
Malus domestica Borkh nível crítico produção análise foliar |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452017000103001&lng=en&tlng=en |
work_keys_str_mv |
AT gilbertonava fujiappletreeresponsetophosphorusfertilization AT marlisenaraciotta fujiappletreeresponsetophosphorusfertilization AT gustavobrunetto fujiappletreeresponsetophosphorusfertilization |
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