Green Fertilization With Residues of Leguminous Trees for Cultivating Maize in Degraded Soil

Oliveira, Francisco Ronaldo Alves de; Souza, Henrique Antunes de; Carvalho, Marco Antônio Rosa de; Costa, Mírian Cristina Gomes

doi:10.1590/1983-21252018v31n401rc

Cited by 4 publications

(7 citation statements)

References 18 publications

(16 reference statements)

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“…The techniques used showed coherent results, as a whole, making it possible to identify which residues of the studied legume species have the greatest potential for use as fertilizer, unlike the result observed by Oliveira et al (2018), who adopted univariate techniques for analyzing data of a similar study and did not find responses that allowed them to indicate the best species or part of the plant for this purpose.…”

Section: Resultsmentioning

confidence: 89%

“…The residues of Jurema leaves led to higher values of Ca, IN and TOC in soil, leaf contents of K and Ca, and total dry mass (Figure 2). In this case, Jurema leaves, besides having a relatively low C/N ratio (Table 2), also have a larger contact surface (tiny leaflets), which facilitates their decomposition and, consequently, the availability of nutrients (OLIVEIRA et al, 2018). It is also observed that the residues of Jurema leaves influenced higher values of potential acidity and lower values of pH.…”

Section: Resultsmentioning

confidence: 92%

“…The species of the Fabaceae family (legumes) are the most used as green manure because they form symbiotic associations with atmospheric nitrogen-fixing bacteria and have a low C/N ratio, favoring the decomposition and release of nutrients in a relatively short time (CHAER et al, 2011;CORREA et al, 2014;OLIVEIRA et al, 2018). The classic pattern for the decomposition of green manure in the soil has higher rates in the first month, which is attributed to the physical process of removal of the watersoluble fraction by rain or irrigation and to the biological decomposition process, even when the residues remain on the soil surface (AITA; GIACOMINI; CERETTA, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…Although green manuring is an ancient management practice, there are still few studies showing the fertilizer potential of tree legume species in the northeastern semiarid region that can support the indication of those that most favor the improvement of soil chemical attributes and the development and nutrition of agricultural crops (OLIVEIRA et al, 2018;PRIMO et al, 2018), especially with multivariate data analysis. Multivariate analysis is a set of statistical procedures that allow simultaneously evaluating several variables of a sample or population.…”

Section: Introductionmentioning

confidence: 99%

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Tree legumes with fertilizer potential: a multivariate approach

Oliveira

Dias

Souza

et al. 2021

RCA

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The objective of this study was to evaluate, through multivariate data analysis, which tree legume residues have the best fertilizer potential for agricultural crops in the semi-arid region of northeastern Brazil. The experiment was conducted in pots, in a randomized block design, with seven treatments and four replicates. Treatments consisted of residues of Sabiá, Jurema Preta and Gliricidia, besides two parts of the plant: leaves and leaves + branches. The pots were filled with 8.0 dm 3 of soil and the residues were added in the form of green mass, corresponding to 73.0 g of dry mass per pot. Maize seeds were sown and, at 65 days after addition of the residues, soil chemical attributes, growth and nutrient contents in the plants were evaluated. The data were studied through principal component analysis, clustering analysis, canonical discriminant function analysis and means comparison test from canonical variable 1. Gliricidia residues positively influenced soil K and Mg contents, as well as height, stem diameter, number of leaves and leaf contents of P, N and Mg in maize plants. These residues showed greater dissimilarity and separation compared to the control treatment and led to statistically higher means compared to the other treatments. Jurema Preta leaves positively influenced soil Ca, N and TOC, as well as leaf contents of K and Ca and total dry mass of maize. Multivariate statistical analysis made it possible to identify distinct potentials among legume residues for use as fertilizer in maize crop, and Gliricidia is the species with highest potential.

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Section: Resultsmentioning

confidence: 89%

Section: Resultsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Tree legumes with fertilizer potential: a multivariate approach

Oliveira

Dias

Souza

et al. 2021

RCA

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“…No estado do Pará, conforme o manual de calagem e adubação do estado, faixa de K acima de 90 mg dm 3 são considerados alto para a resposta de diferentes culturas [19]. A alta concentração de K no solo é uma característica do uso da gliricídia [20].…”

Section: Resultsunclassified

Gliricidia sepium (Jacq.) Kunth ex Walp como fonte de nutrientes na produção orgânica de jambu (Acmella oleracea (L.) R. K. Jansen)

De Souza de Oliveira,

Moreira dos Santos,

Noronha da Silva Gonçalves

et al. 2023

Sci. Plena

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O cultivo de produtos orgânicos ao longo dos anos tem se intensificado trazendo benefícios à saúde e agregando valor monetário a cultura produzida. Os compostos orgânicos usados no cultivo do jambu não têm sido suficientes para atender as demandas nutricionais da planta, desse modo faz-se necessário o uso de materiais para diminuir tal problema, como exemplo, a gliricídia, rica em nitrogênio e em outros nutrientes. À vista disso, a presente pesquisa teve por objetivo avaliar o efeito do incremento de diferentes doses de gliricídia com composto orgânico e húmus de minhoca sobre a produtividade do jambu. A pesquisa foi realizada no IFPA - Campus Castanhal, no setor de produção e pesquisas em horticultura da instituição. O delineamento do experimento foi em blocos casualizados em esquema fatorial de 2x4, com quatro repetições, constituído de dois tipos de adubos orgânicos, sendo eles a compostagem e húmus de minhoca e diferentes variações de incremento de gliricídia. Aos 42 dias após o transplantio foi realizado a coleta e análise de massa fresca, altura de planta e massa seca. Os tratamentos que receberam 2,5 kg m-2 de gliricídia apresentaram os maiores resultados quanto a massa fresca, altura e produtividade. A gliricídia apresenta-se como uma alternativa promissora para a complementação da adubação orgânica, visto que é rico em nutrientes absorvidos pela planta.

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Leguminous Alley Cropping Improves the Production, Nutrition, and Yield of Forage Sorghum

et al. 2019

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This study aimed to evaluate the growth, production, and leaf contents of macronutrients, as well as the yield of forage sorghum cultivated on the alleys of Gliricidia (Gliricidia sepium (Jacq.) Kunth ex Walp.) and Leucaena (Leucaena leucocephala (Lam.) de Wit) in the presence and absence of mineral fertilization. The experiment was conducted in two different periods: During the 2016/2017 double crop (cultivation carried out at the end of the crop cycle) and during the 2017/2018 crop (cultivation carried out at the beginning of the crop cycle). A randomized block design, in which the first factor refers to cultivation systems (single sorghum, sorghum cultivated in Gliricidia alleys, and sorghum cultivated in Leucaena alleys) and the second factor refers to mineral fertilization (presence and absence of fertilization), in a 3 × 2 factorial arrangement was used. The leguminous plants were cut, and the residues were deposited in the alleys. The cultivation in alleys without mineral fertilization increased total forage biomass when compared to the single crop cultivation. Cultivation in Leucaena alleys showed a higher leaf content of nitrogen (N) when compared to the single crop, both in the presence and absence of mineral fertilization. In the double crop, sorghum cultivated in Leucaena alleys without fertilization presented a higher forage yield (up to 67%) when compared to the single crop system. However, there was no difference in yield when mineral fertilization was applied to the treatments. Overall, the alley crops were able to increase the morphological (plant height (PH), stem diameter (SD), panicle diameter (PD), and panicle length (PL) and yield (leaf dry mass (LDM), stem dry mass (SDM), total green mass (TGM), and total dry mass TDM) variables of the crop, improving the productivity of forage sorghum.

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Green Fertilization With Residues of Leguminous Trees for Cultivating Maize in Degraded Soil

Cited by 4 publications

References 18 publications

Tree legumes with fertilizer potential: a multivariate approach

Tree legumes with fertilizer potential: a multivariate approach

Gliricidia sepium (Jacq.) Kunth ex Walp como fonte de nutrientes na produção orgânica de jambu (Acmella oleracea (L.) R. K. Jansen)

Leguminous Alley Cropping Improves the Production, Nutrition, and Yield of Forage Sorghum

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