Concentração foliar de manganês e zinco em laranjeiras adubadas com óxidos e carbonatos via foliar

Godoy, Leandro José Grava de; Bôas, Roberto Lyra Villas; Yanagiwara, Rodrigo Seigi; Backes, Clarice; Lima, Carlos H. M. de

doi:10.1590/s1806-66902013000300004

Cited by 5 publications

(3 citation statements)

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“…Thus, foliar Zn content is correlated negatively with the small fruit percentage. Godoy et al (2013) indicated that Zn and Mn limited CTF production. In addition, they also indicated that Zn and Mn foliar application efficiency will depend on the type of fertilizer used.…”

Section: Micronutrientsmentioning

confidence: 99%

Factors affecting citrus fruit quality: Emphasis on mineral nutrition

Aular¹,

Cásares²,

Natale³

2017

Científica

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There are some reviews, available in the literature that considers mineral elements effects on fruit quality. However, most studies refer to temperate fruits, such as apple, or to some tropical fruits, such as mango, guava, banana, pineapple and passion fruit. In the case of citrus fruits, it is necessary to compile the information that has been generated recently. The objective of this review was to present and comment some information about the influence of mineral elements on citrus fruit characteristics. It emphasized that potassium has been the most evaluated macronutrient, whereas calcium and magnesium were the least. Potassium was the element with the largest influence on fruit characteristics, followed by nitrogen and phosphorus. The most consistent result related to potassium was the positive effect on fruit fresh mass. Zinc was the most evaluated micronutrient, followed by boron, which was the most influential micronutrient on quality, especially due to its positive effect on fruit fresh mass and juice percentage. Lack of information regarding mineral nutrition effect on citrus fruit quality was confirmed and was more evident for macronutrients. Additional keywords:Citrus; fruit production, nutrients. ResumoAlgumas revisões que considerem os efeitos dos elementos minerais na qualidade de frutas estão disponíveis na literatura; no entanto, a maioria faz referência às frutíferas de clima temperado, como a maçã ou algumas tropicais como manga, goiaba, banana, abacaxi e maracujá. No caso das frutas cítricas ou citros, pode-se argumentar que é necessário recopilar as informações que têm sido geradas recentemente. O objetivo desta revisão foi apresentar e comentar algumas informações sobre a influência de elementos minerais sobre as características das frutas destas frutíferas. Ressalta-se, que o potássio tem sido o macronutriente mais avaliado, enquanto que o cálcio e o magnésio foram os menos pesquisados. O potássio foi o elemento com maior influência nas características da fruta, seguido do nitrogênio e do fósforo. O resultado mais consistente do potássio foi o efeito positivo sobre a massa fresca da fruta. O zinco foi o micronutriente mais avaliado nos experimentos, seguido do boro que foi o micronutriente mais influente na qualidade, especialmente pelo seu efeito positivo sobre a massa fresca e a porcentagem de suco das frutas. Foi confirmada a carência de informações referentes ao efeito da nutrição mineral sobre a qualidade das frutas dos citros, sendo mais evidente para os macronutrientes. Palavras-chave adicionais:Citrus;fruticultura; nutrientes.

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Section: Micronutrientsmentioning

confidence: 99%

Factors affecting citrus fruit quality: Emphasis on mineral nutrition

Aular¹,

Cásares²,

Natale³

2017

Científica

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“…The same effect was observed with ICF b in the control and organomineral treatment groups. Godoy et al (2013) observed a similar effect in citrus plants.…”

Section: Resultsmentioning

confidence: 57%

Controlled release, organic or organomineral fertilizers for areca palm production

et al. 2022

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The areca palm is an ornamental plant widely used in Brazil for decoration and landscaping. The proper use of fertilizers and balanced fertilization are among the main factors that promote the rapid development of these plants and affect their technical and economic aspects. Because of the need to elucidate areca palm nutrition, this study aimed to evaluate the use of mineral (conventional or controlled release), organic, or organomineral fertilizers in the production of areca palm in pots. The experiment was conducted for a year under a 70% shading screen using a completely randomized design, with seven treatments and six replications. The treatments consisted of different fertilizers: control: no fertilizer; mineral: 10-10-10; controlled release mineral: 14-14-14, mineral with 50% N and K release controls: 16-06-18, mineral: 13-05-13, organomineral: 16-06-09, and organic. The experiment consisted of measuring the vertical height of the plant and determining the Falker Chlorophyll Index (FCI) a and b. All fertilizers used in the experiment provided gains in growth and green color (Chlorophyll Index) in the areca palm grown in pots relative to the absence of fertilization. The three-month controlled-release fertilizer treatment produced the best results, positively impacting the areca palm production, both in terms of plant height and color, which are attributes that increase the product’s commercial value.

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“…As fontes de micronutrientes podem ser subdivididas vários grupos de acordo com a sua solubilidade em água, os solúveis em água são: quelatos, nitratos, sulfatos e cloretos, e os insolúveis em água, mas disponíveis às plantas quando aplicados no solo, tais como os: carbonatos, fosfatos, óxidos, fritas, dentre outras (Vitti, Queiroz & Quintino, 2005;Godoy, Bôas, Yanagiwara, Backes & Lima, 2013). Cada uma dessas fontes atua de formas diferentes no solo e necessitam de mais estudos para se conseguir maior aproveitamento e redução do custo final na construção da fertilidade em micronutrientes no solo (Lacerda et al, 2017).…”

Section: Introductionunclassified