Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau

Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau

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The effects of N, P, and K applications on yield and fruit quality of orange (Citrus sinensis (L.) Osbeck) was studied in a factorial experiment carried out in a Yellow Latosol, of the Coastal Plateau of the Northeast of Brazil. Zero, 150 e 300 kg ha-1 N as urea; 0, 26 and 52 kg ha-1 of P as concentrated superfosfate and 0, 96 and 192 kg ha-1 of K as KCl were used. A linear yield response to N was observed in one, out of four years of observation. Nitrogen decreased fruit size and had no influence on fruit quality measured by percentage of juice, total soluble solids, acidity and ratio total soluble solids/acidity. Yield was highly responsive to P in each year observed. The nutrient increased percentage of juice and the total soluble solids/acidity ratio. Potassium increased yield and fruit size, but decreased the total soluble solids/acidity ratio.

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Main Authors: Sobral, Lafayette Franco, Souza, Luiz Francisco da Silva, Magalhães, Antônia Fonseca de Jesus, Silva, José Unaldo Barbosa, Leal, Maria de Lourdes Silva
Format: Digital revista
Language:por
Published: Pesquisa Agropecuaria Brasileira 2000
Online Access:https://seer.sct.embrapa.br/index.php/pab/article/view/5758
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spelling rev-pab-br-article-57582010-07-30T18:20:06Z Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau Resposta da laranjeira-pêra à adubação com nitrogênio, fósforo e potássio em um Latossolo Amarelo dos tabuleiros costeiros Sobral, Lafayette Franco Souza, Luiz Francisco da Silva Magalhães, Antônia Fonseca de Jesus Silva, José Unaldo Barbosa Leal, Maria de Lourdes Silva orange; fertilization; macronutrients laranja; fertilização; macronutrientes The effects of N, P, and K applications on yield and fruit quality of orange (Citrus sinensis (L.) Osbeck) was studied in a factorial experiment carried out in a Yellow Latosol, of the Coastal Plateau of the Northeast of Brazil. Zero, 150 e 300 kg ha-1 N as urea; 0, 26 and 52 kg ha-1 of P as concentrated superfosfate and 0, 96 and 192 kg ha-1 of K as KCl were used. A linear yield response to N was observed in one, out of four years of observation. Nitrogen decreased fruit size and had no influence on fruit quality measured by percentage of juice, total soluble solids, acidity and ratio total soluble solids/acidity. Yield was highly responsive to P in each year observed. The nutrient increased percentage of juice and the total soluble solids/acidity ratio. Potassium increased yield and fruit size, but decreased the total soluble solids/acidity ratio. Com o objetivo de estudar os efeitos de N, P e K na produção e qualidade de laranjas-pêra (Citrus sinensis (L.) Osbeck), foi instalado um experimento fatorial, em um Latossolo Amarelo dos Tabuleiros Costeiros. As doses de N, P e K foram, respectivamente, de 0, 150 e 300 kg ha-1 de N na forma de uréia, 0, 26 e 52 kg ha-1 de P na forma de superfosfato triplo, e de 0, 96 e 192 kg ha-1 de K na forma de cloreto de K. A resposta ao N foi linear e positiva em um dos quatro anos observados. O nutriente diminuiu o tamanho dos frutos, mas não influenciou a qualidade do fruto avaliada pela porcentagem de suco, pelos sólidos solúveis totais, pela acidez total e pela relação sólidos/acidez. Foram observados efeitos positivos do P na produção, na porcentagem de suco e na relação sólidos/acidez. O K aumentou a produção, o tamanho dos frutos e a acidez, mas diminuiu a relação sólidos /acidez. Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira 2000-02-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.sct.embrapa.br/index.php/pab/article/view/5758 Pesquisa Agropecuaria Brasileira; v.35, n.2, fev. 2000; 307-312 Pesquisa Agropecuária Brasileira; v.35, n.2, fev. 2000; 307-312 1678-3921 0100-104x por https://seer.sct.embrapa.br/index.php/pab/article/view/5758/2862
institution EMBRAPA
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-pab-br
tag revista
region America del Sur
libraryname Sistema de bibliotecas de EMBRAPA
language por
format Digital
author Sobral, Lafayette Franco
Souza, Luiz Francisco da Silva
Magalhães, Antônia Fonseca de Jesus
Silva, José Unaldo Barbosa
Leal, Maria de Lourdes Silva
spellingShingle Sobral, Lafayette Franco
Souza, Luiz Francisco da Silva
Magalhães, Antônia Fonseca de Jesus
Silva, José Unaldo Barbosa
Leal, Maria de Lourdes Silva
Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau
author_facet Sobral, Lafayette Franco
Souza, Luiz Francisco da Silva
Magalhães, Antônia Fonseca de Jesus
Silva, José Unaldo Barbosa
Leal, Maria de Lourdes Silva
author_sort Sobral, Lafayette Franco
title Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau
title_short Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau
title_full Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau
title_fullStr Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau
title_full_unstemmed Response of orange trees to nitrogen, phosphorus and potassium fertilization in a Yellow Latosol of the coastal plateau
title_sort response of orange trees to nitrogen, phosphorus and potassium fertilization in a yellow latosol of the coastal plateau
description The effects of N, P, and K applications on yield and fruit quality of orange (Citrus sinensis (L.) Osbeck) was studied in a factorial experiment carried out in a Yellow Latosol, of the Coastal Plateau of the Northeast of Brazil. Zero, 150 e 300 kg ha-1 N as urea; 0, 26 and 52 kg ha-1 of P as concentrated superfosfate and 0, 96 and 192 kg ha-1 of K as KCl were used. A linear yield response to N was observed in one, out of four years of observation. Nitrogen decreased fruit size and had no influence on fruit quality measured by percentage of juice, total soluble solids, acidity and ratio total soluble solids/acidity. Yield was highly responsive to P in each year observed. The nutrient increased percentage of juice and the total soluble solids/acidity ratio. Potassium increased yield and fruit size, but decreased the total soluble solids/acidity ratio.
publisher Pesquisa Agropecuaria Brasileira
publishDate 2000
url https://seer.sct.embrapa.br/index.php/pab/article/view/5758
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