Teores foliares de macronutrientes em quiabeiro cultivado sob diferentes fontes e níveis de matéria orgânica

Cavalcante, Lourival Ferreira; Diniz, Adriana Araújo; Santos, Luís Carlos Francisco dos; Rebequi, Alex Matheus; Nunes, Járisson Cavalcante; Brehm, Míriam Alice da Silva

doi:10.5433/1679-0359.2010v31n1p19

Cited by 14 publications

(20 citation statements)

References 6 publications

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“…In contrast to the present study, Santos et al (2014b), working under field conditions, found a leaf P content of 1.4 g kg -1 in the banana "Pacovan". On the other hand, Cavalcante et al (2010) obtained higher levels of phosphorus (8.15 g kg -1 ) when applying goat manure to the soil as an organic source during okra cultivation.…”

Section: Resultsmentioning

confidence: 99%

“…However, Viana et al (2013), analysing the effect of organic fertilisation using bovine and mixed biofertiliser with aerobic fermentation on the leaves of melon plants, recorded values greater than those in this study (35.00 g leaf N kg -1 ). In addition, Cavalcante et al (2010), working under field conditions, found an increase in the N concentrations in okra plants fertilised with goat, cattle, and chicken manure as an organic source.…”

Section: Resultsmentioning

confidence: 99%

“…The mixture was kept in 240-L plastic canisters, leaving an empty space of 15 to 20 cm, which were then hermetically sealed. A hose was attached to the lid to enable gas to escape (CAVALCANTE et al, 2010). The nutrient content of the two biofertiliser types is shown in Table 2.…”

Section: Methodsmentioning

confidence: 99%

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Biomass Accumulation and Nutrition in Micropropagated Plants of the Banana ‘Prata Catarina’ Under Biofertilisers

et al. 2017

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-Banana farming is an activity of great economic and social importance, and is carried out in most tropical countries. The aim of this work was to evaluate the biomass accumulation and levels of nitrogen (N), phosphorus (P), potassium (K), calcium (Ca) and magnesium (Mg) in micropropagated plants of the banana "Prata Catarina" during the acclimatization phase, under different types and doses of biofertilisers. The experimental design included randomised blocks in a 2 × 5 + (2) factorial scheme, with two types of liquid biofertilisers (bovine biofertiliser with anaerobic and aerobic fermentation) and five biofertiliser doses (0.25, 0.50, 0.75, 1.00, and 1.25 L plant -1 week -1 ), as well as two additional treatments (control and recommended mineral fertilisation). The following variables were analysed: dry weight of the leaves and roots, and mineral element content (N, P, K, Ca, and Mg) in different parts of the plant (leaf and root). During 90 days of acclimatization, the nutritional contribution of bovine biofertiliser with anaerobic fermentation was greater in comparison with the biofertiliser with aerobic fermentation and the control, but lower in comparison with mineral fertilisation. The 1000-mL dose of the biofertiliser with anaerobic fermentation promoted greater dry weight accumulation in the leaves and roots of the banana "Prata Catarina". The biofertiliser with anaerobic fermentation promoted higher levels of N, K, and Ca in the leaves, whereas the biofertiliser with aerobic fermentation promoted higher levels of P in the leaves and roots.Keywords: Musa sp.. Organic input. Mineral elements. ACÚMULO DE BIOMASSA E NUTRIÇÃO DE MUDAS MICROPROPAGADAS DE BANANEIRA PRATA CATARINA ADUBADAS COM BIOFERTILIZANTESRESUMO -A bananicultura destaca-se como uma atividade de grande importância econômica e social, sendo explorada na maioria dos países tropicais. O presente trabalho propôs avaliar o acúmulo de biomassa e os teores de nitrogênio (N), fósforo (P), potássio (K), cálcio (Ca) e magnésio (Mg) em mudas micropropagadas de bananeira cv. Prata Catarina, durante a fase de aclimatização sob diferentes tipos doses e de biofertilizantes. O delineamento experimental foi em blocos casualizados em arranjo fatorial 2 × 5 + (2), referentes a dois tipos de biofertilizantes líquidos (bovino de fermentação anaeróbia e aeróbia) e cinco doses de biofertilizantes (0,25; 0,50; 0,75; 1,00 e 1,25 L planta -1 semana -1 ), com dois tratamentos adicionais (controle e adubação mineral recomendada). Foram analisadas as seguintes variáveis: massa seca das folhas, das raízes e teores de elementos minerais (N, P, K, Ca e Mg) nas diferentes partes da planta (folha e raiz). O biofertilizante bovino com fermentação anaeróbia apresenta maior aporte nutricional em relação biofertilizante de fermentação aeróbio e ao controle, porém menor em relação à adubação mineral para as mudas durante os 90 dias de aclimatização. A dose de 1000 mL do biofertilizante com fermentação anaeróbia promove maior acúmulo de massa seca nas folhas e raízes da ...

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Biomass Accumulation and Nutrition in Micropropagated Plants of the Banana ‘Prata Catarina’ Under Biofertilisers

et al. 2017

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“…Cavalcante et al (2010) and Duarte et al (2010), working under field conditions, observed increase in N contents in okra and watermelon plants fertilized with goat, cattle and chicken manure as organic sources, respectively. At 173 DAT, only K contents were influenced by the interaction of Water energization x Biofertilizer doses ( Figure 6).…”

Section: Resultsmentioning

confidence: 99%

Gas exchange and leaf contents in bell pepper under energized water and biofertilizer doses

Borges

Viana

Marinho

et al. 2016

Rev. bras. eng. agríc. ambient.

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The objective of this study was to evaluate the effect of energized water and bovine biofertilizer doses on the gas exchange and NPK contents in leaves of yellow bell pepper plants. The experiment was conducted at the experimental area of the Federal University of Ceará, in Fortaleza-CE, Brazil, from June to November 2011. The experiment was set in a randomized block design, in a split-plot scheme; the plots were composed of treatments with energized and non-energized water and the subplots of five doses of liquid biofertilizer (0, 250, 500, 750 and 1000 mL plant-1 week-1). The following variables were analyzed: transpiration, stomatal conductance, photosynthesis and leaf contents of nitrogen (N), phosphorus (P) and potassium (K). Water energization did not allow significant increases in the analyzed variables. The use of biofertilizer as the only source of fertilization was sufficient to provide the nutrients N, P and K at appropriate levels for the bell pepper crop.

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“…Due to the growing consumer preference, there has been an expressive expansion of okra throughout Brazil, especially in the states of Rio de Janeiro, São Paulo e Sergipe (Cavalcante et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

CULTURE OF THE OKRA (Abelmoschus esculentus) SUBMITTED TO DIFFERENT IRRIGATION LEVELS

Lucas¹,

Freitas²,

Jesus³

et al. 2017

Anais Do IV Inovagri International Meeting - 2017

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ABSTRACT:The objective of the present study was to evaluate the production of okra under different levels of irrigation, in the Northeast region of Brazil, Sergipe state. The experiment had five irrigation levels (25, 50, 75, 100 and 125% of crop evapotranspiration-ETc) and a control plot that did not receive irrigation. The experimental design was in randomized blocks, with four replications. Irrigations were applied via a drip system and for irrigation management, the FAO Penman-Monteith standard method was used to estimate the reference evapotranspiration, and crop evapotranspiration was obtained through a constant water table lysimeter installed in the area experimental. The following characteristics were evaluated: average fruit diameter, average fruit length, yield per plant and productivity. The application of different levels of irrigation influenced in a significant way the variables analyzed in this experiment. KEYWORDS: Water economy; horticulture; drip irrigation CULTURA DO QUIABO (Abelmoschus esculentus) SUBMETIDO A DIFERENTES NÍVEIS DE IRRIGAÇÃORESUMO: O objetivo do presente estudo foi avaliar a produção de quiabo em diferentes níveis de irrigação, na região Nordeste do estado de Sergipe. O experimento teve cinco níveis de irrigação (25, 50, 75, 100 e 125% da evapotranspiração-ETc) e uma parcela de controle que não recebeu irrigação. O delineamento experimental foi em blocos casualizados, com quatro repetições. As irrigações foram aplicadas através de um sistema de gotejamento, e para o

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Teores foliares de macronutrientes em quiabeiro cultivado sob diferentes fontes e níveis de matéria orgânica

Cited by 14 publications

References 6 publications

Biomass Accumulation and Nutrition in Micropropagated Plants of the Banana ‘Prata Catarina’ Under Biofertilisers

Biomass Accumulation and Nutrition in Micropropagated Plants of the Banana ‘Prata Catarina’ Under Biofertilisers

Gas exchange and leaf contents in bell pepper under energized water and biofertilizer doses

CULTURE OF THE OKRA (Abelmoschus esculentus) SUBMITTED TO DIFFERENT IRRIGATION LEVELS

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