Variação na concentração e na quantidade de macro e micronutrientes no fruto do cafeeiro, durante o seu desenvolvimento

Catani, R. A.; Pellegrino, D.; Alcarde, José Carlos; Graner, Celso Augusto Fessel

doi:10.1590/s0071-12761967000100024

Cited by 8 publications

(8 citation statements)

References 7 publications

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“…Potassium and N were found in greater concentrations in airdried coffee fruits. Catani et al (1967) evaluated the dry matter of 1,000 coffee fruits, harvested at the fresh ripe cherry stage, and found ideal macronutrient concentrations (15.3; 1.6; 23.3; 3.1; 0.7, and 0.9 g kg -1 of N, P, K, Ca, Mg, and S, respectively). Similar results were found in this study.…”

Section: Sourcementioning

confidence: 99%

Effect of potassium sources and rates on arabica coffee yield, nutrition, and macronutrient export

Mancuso

Soratto

Crusciol

et al. 2014

Rev. Bras. Ciênc. Solo

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SUMMARYThe use of potassium (K) rock powder can be an alternative for K supply of crops. Thus, to reduce K fertilizer imports from abroad, possibilities of extracting this nutrient from Brazilian rocks are being studied. The objective was to evaluate the effect of phonolite rock powder (F2) as K source (Ekosil ® ) on the air-dried fruit yield, nutrition and macronutrient export of Arabica coffee. The experiment was carried out on a dystroferric Red Latosol (Typic Haplorthox), in Piraju, São Paulo State, Brazil, in the 2008/09 and 2009/10 growing seasons. The experimental design was a randomized complete block, in a factorial 2 × 3 + 1 arrangement, with four replications. The treatments consisted of two K sources (KCl -58 % of K 2 O and F2 -8.42 % K 2 O) and three rates ½-, 1-, and 2-fold the K 2 O rate recommended for coffee, i.e., 75, 150, and 300 kg ha -1 of K 2 O), plus a control (without K application). Potassium supply increased coffee yield, regardless of the source. Application of source F2 increased coffee yield similarly to KCl at the recommended K rate for coffee (150 kg ha -1 K 2 O), proving efficient as K supply for coffee. Potassium application increased macronutrient export in coffee, especially in the growing season with higher yield.Index terms: Coffea arabica, potassium fertilization, rock powder, agronomic efficiency.(

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Section: Sourcementioning

confidence: 99%

Effect of potassium sources and rates on arabica coffee yield, nutrition, and macronutrient export

Mancuso

Soratto

Crusciol

et al. 2014

Rev. Bras. Ciênc. Solo

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“…Durante o período de crescimento do fruto, entre dezembro e maio, observou-se decréscimo no teor de macronutrientes nas folhas, à exceção de cálcio que teve concentração aumentada, como foi também demonstrado por CATANI et al (1967), GALLO et al (1970) e HIROCE (1981, que atribuíram, em parte, à remobilização para os frutos.…”

Section: Teor De Macronutrientes Na Folhaunclassified

“…Foi demonstrado por CATANI et al (1967), GALLO et al (1970) e HIROCE (1981, que durante a formação do fruto havia um decréscimo na concentração foliar dos principais macronutrientes, tornando evidente que qualquer interpretação dos teores de nutrientes encontrados pela análise foliar deve levar em consideração a época de amostragem.…”

Section: Introductionunclassified

Macronutrientes em folhas e frutos de cultivares de café arábica de porte baixo

2005

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RESUMOO presente trabalho teve como objetivo avaliar a mobilização de macronutrientes de folhas para frutos em diferentes cultivares de café arábica, através de análises foliares periódicas. O experimento foi plantado em 1994 em solo Rhodic Hapludox, em Campinas Estado de São Paulo, Brasil. Foram coletadas folhas de ramos plagiotrópicos com frutos, o terceiro par a partir do ápice, para determinação de macronutrientes, em dezembro de 2002, fevereiro e maio de 2003. A colheita do experimento e a amostragem de frutos para análise química ocorreram em junho de 2003. Houve decréscimo no teor dos macronutrientes nas folhas do cafeeiro, durante a estação de crescimento do fruto, a exceção do cálcio que apresentou aumento, observando-se maior evidencia para o potássio. As cultivares de alta produtividade mostraram concentrações de macronutrientes ligeiramente superiores às de média produtividade. A diferença mais marcante ocorreu para o cálcio que acumulou mais nas ccultivares mais produtivas. Na casca e no grão de café, pela análise estatística, não houve diferença significativa na composição química entre as cultivares, à exceção para o cálcio presente na casca. Verificou-se uma relação inversa entre produtividade e o índice relativo de remobilização de nutrientes das folhas. Cultivares mais produtivas conseguiram produzir a mesma quantidade de matéria seca de grãos com valores mais baixos de remobilização dos nutrientes N, P e K das folhas dos cafeeiro.Palavras-chave: cafeeiro, análise foliar, cultivares porte baixo, remobilização de nutrientes. ABSTRACT MACRONUTRIENTS IN LEAVES AND FRUITS OF DWARF ARABICA COFFEE CULTIVARSMacronutrient mobilization from leaves to fruits in dwarf arabica coffee cultivars was studied, through serial leaf and fruit samplings. The experiment was set in 1994 in a Rhodic Hapludox soil at Campinas, State of São Paulo, Brazil. Third leaf from the apex of reproductive branches with fruits was collected for macronutrient determinations in December 2002, February and May 2003. Ripe fruits were sun drayed being grain and husks milled separately for analysis. Except for calcium it was observed a decrease in the leaf macronutrient concentrations during the growing season fruit. Concentration of all macronutrients in the leaves was slightly higher for high yielding cultivars as compared to the medium yielding cultivars, except for Ca displaying higher concentrations in high yielding cultivars. Except for Ca concentrations in husks there was no difference in the concentration of macronutrients in husks and grains of the cultivars, despite their great difference in grain yield. There was an inverse relation ship between yield and relative mobilization index. Grain dry weight of higher yielding cultivars was produced with relatively less remobilization of N, P and K from the leaves.

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“…Boron (B) is an important trace element for coffee [5]. Coffee is specie of crop which is sensitive to B [6]. B deficiency is widespread in Brazilian coffee plantations [7,8], results in a reduced root system, flower abortion, fruit malformation and consequently low yields.…”

Section: Introductionmentioning

confidence: 99%

Study on Supplying Boron to Coffee on Basaltic Soil in Central Highlands of Vietnam

Cong¹

2017

J Fertil Pestic

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Coffee trees have high nutrient requirements, including boron (B). A field experiment with 2 factors of applying methods (leaf and root) and doses (0, 1, 2 and 3 kgs B ha -1 yr -1 ) was implemented on basaltic soil in Central Highlands of Vietnam during 2015-2016. The results showed that supplying B remained appropriate B content in leaves, reduced in curly leaves and dropped fruits and increased in coffee productivity by 2.3-10.2% in comparison with control. The treatments of supplying 3 kg ha -1 got highest productivity, 3.87 t ha -1 . In addition, the efficiency of B to coffee was quite clear, 76.7-85.0 kg coffee kg B -1 in the cases of root applying and 95.0-123.3 kg in treatments of leaf spraying. Leaf spraying increased in yield of 0.11-0.23 t ha -1 , corresponding the profit of 94.5-247.3 USD ha -1 in comparison with root applying.

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Variação na concentração e na quantidade de macro e micronutrientes no fruto do cafeeiro, durante o seu desenvolvimento

Cited by 8 publications

References 7 publications

Effect of potassium sources and rates on arabica coffee yield, nutrition, and macronutrient export

Effect of potassium sources and rates on arabica coffee yield, nutrition, and macronutrient export

Macronutrientes em folhas e frutos de cultivares de café arábica de porte baixo

Study on Supplying Boron to Coffee on Basaltic Soil in Central Highlands of Vietnam

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