Short-term effects of Urochloa intercropped with corn on the structure properties of a soil under no-tillage

João de Andrade Bonetti ORCID logo , Helio Henrique Soares Franco ORCID logo , Rachel Muylaert Locks Guimarães ORCID logo , Cássio Antonio Tormena ORCID logo

11/jul/2025

ABSTRACT The reduced crop diversity under no-tillage increases soil compaction and reduces soil quality. This study aimed to investigate whether intercropping corn and Urochloa has significant short-term effects on soil physical quality, as assessed by Visual Evaluation of Soil Structure (VESS), and its correlations with physical properties. Soil physical quality was assessed after corn and Urochloa intercropping and corn without Urochloa. The VESS, penetration resistance, bulk density, air-filled porosity, air permeability, pore continuity index, and water storage capacity were determined […]

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Using the 15N natural abundance for a quantitative approach to N recovery from organic fertilizers

Caio Teves Inácio ORCID logo , Segundo Urquiaga ORCID logo , Phillip Michael Chalk ORCID logo

30/jun/2025

ABSTRACT The influence of organic inputs, such as manure and compost, on the 15N values of growing plants suggests it may be possible to use of 15N natural abundance (NA) as a nitrogen (N) tracer. This study aimed to verify the feasibility of using the TM15N values to estimate compost-N recovery by plants. A field experiment was carried out by growing head lettuce, carrots and broccoli in sequence under increasing levels of compost (randomized complete blocks, six doses, four replicates). […]

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No-tillage system combined with cover crops to improve phosphorus availability in the short term

Thassiany de Castro Alves ORCID logo , Priscila Silva Matos ORCID logo , Luiz Alberto da Silva Rodrigues Pinto ORCID logo , Eduardo Albano Gomes de Abreu ORCID logo , Mateus Belarmino da Silva ORCID logo , Jhulia Kathelen Carvalho de Oliveira dos Santos ORCID logo , [...]

30/jun/2025

ABSTRACT Phosphorus (P) is an essential macronutrient for plant growth, and its availability is often influenced by management systems adopted over time. Adopting management systems, such as no-tillage, combined with cover crops, can influence soil P availability through factors including soil organic matter accumulation. This study aimed to evaluate how management systems and cover crops influence different P fractions and organic matter. Furthermore, the effect of the time since the implementation of management systems on phosphorus (P) availability and soil […]

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Agronomic efficiency of partially acidulated and granulated Arraias phosphate rock

Vinicius de Melo Benites ORCID logo , Sulian Junkes Dal Molin ORCID logo , Cassio Sitta ORCID logo , Ernesto Sitta Neto ORCID logo , Carla Nascimento ORCID logo , Jéssica Franciele Kaminski Ramos ORCID logo , [...]

17/jun/2025

ABSTRACT Natural phosphate rocks (PR) are characterized by low phosphorus (P) solubility in water. Acidulation is the normal method to raise P solubility of these materials, however, it increases the cost and causes operational issues. The aim of this study was to evaluate the agronomic efficiency of partially acidulated and micro-granulated Arraias phosphate rock, which has a lower P content (6.88 %) than normal apatite concentrates. Two experiments were carried out in a greenhouse at the University of Rio Verde, […]

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Sewage sludge-based organomineral fertilizer improves phosphorus efficiency in Urochloa brizantha

Andre Luiz de Freitas Espinoza ORCID logo , João Henrique Silva da Luz ORCID logo , Tiago Tezotto ORCID logo , Paulo Sergio Pavinato ORCID logo

17/jun/2025

ABSTRACT Sewage sludge (SS) from wastewater treatment has reasonable phosphorus (P) levels, which could be used as fertilizer in agriculture. However, SS-P content is lower than mineral fertilizers, which limits its operational application. The blend of organic and mineral material can increase the P content, formulating organomineral fertilizers (OMF) with higher P levels, enabling agricultural use. This study aimed to assess the agronomic efficiency and residual effect of organomineral fertilizers derived from SS as phosphorus sources for Urochloa brizantha. A […]

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Biodegradable containers affect the morphological and nutritional aspects of Eucalyptus urophylla seedlings

Ana Caroline Rodrigues da Silva ORCID logo , Matheus Severo de Souza Kulmann ORCID logo , Fabiano de Carvalho Balieiro ORCID logo , José Carlos Arthur Junior ORCID logo , Everaldo Zonta ORCID logo , Julio César Ribeiro ORCID logo , [...]

16/jun/2025

ABSTRACT Forest seedlings production generally uses polypropylene plastic tubes due to their advantages, as root protection and easy operation. However, these tubes have limitations, as small substrate accommodates capacity, there is a possibility of root deformation, and there is a composition of pollutant and non–renewable material. It is necessary to find environmentally correct alternatives. This study aimed to evaluate the morphological and nutritional aspects of Eucalyptus urophylla seedlings produced in biodegradable containers, compared to plastic polypropylene tubes. For this, seedlings […]

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Native and exotic tree leaves litter contributions to soil organic matter formation in revegetation strategies

Charles Munro ORCID logo , Vanessa Maria de Souza Barros ORCID logo , Jônatas Pedro da Silva ORCID logo , Paulo Henrique Ferreira de Brito ORCID logo , José Ferreira Lustosa Filho ORCID logo , Rafael da Silva Teixeira ORCID logo , [...]

16/jun/2025

ABSTRACT The use of native and exotic species in the reforestation of degraded areas has been considered an important strategy to improve soil quality. However, there is still scarce information about which species are more efficient for soil organic matter (SOM) formation. This study aimed to evaluate the decomposition of leguminous and non-leguminous tree litter, its impact on light organic matter (LOM), particulate organic matter (POM), and mineral-associated organic matter (MAOM) dynamics, and consequently, SOM formation efficiency. Leaf litter from […]

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Corrective and maintenance P fertilization on sugarcane yield in multi-sites of south-central Brazil

Rafael Otto ORCID logo , Gabriel Pinheiro Silva ORCID logo , Johnny Rodrigues Soares ORCID logo , Sarah Mello Leite Moretti ORCID logo , Lucas Miguel Altarugio ORCID logo , Gerson José Marquesi de Souza Netto ORCID logo , [...]

16/jun/2025

ABSTRACT Corrective phosphate is a usual practice in poor soils to improve P levels and yield potential. However, the broadcast P application in soils with high P fixing capacity may have low efficiency. This study evaluated sugarcane yield response to corrective phosphate (broadcast application and incorporated) and in planting maintenance phosphate application in four sugarcane sites during three crop cycles in South-Central Brazil. The experimental design was a factorial 2 × 5: presence or absence of corrective phosphate and five […]

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How do centipedes and millipedes respond to grazing intensity in an integrated crop-livestock system with soybean-pasture succession?

Joice Aline Freiberg ORCID logo , Helena Wichineski Trombeta ORCID logo , Patrícia Elesbão da Silva Rodrigues ORCID logo , Pedro Arthur de Albuquerque Nunes ORCID logo , Cristian de Sales Dambros ORCID logo , Paulo César de Faccio Carvalho ORCID logo , [...]

16/jun/2025

ABSTRACT Centipedes and millipedes promote important functions in the ecosystem. However, land use intensification in agricultural areas can reduce the abundance and diversity of these organisms. To understand the effect of grazing intensification on communities of centipedes and millipedes, we sampled these organisms in an integrated crop-livestock system (ICLS) experiment, cultivated for 13 years with soybean (Glycine max) in the summer and black oat (Avena strigosa) + Italian ryegrass (Lolium multiflorum) for cattle grazing in the winter. Treatments consisted of […]

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Mechanized and irrigated coffee cultivation promotes physical subsurface constraints in Oxisols

Katherine Martinez Escobar ORCID logo , Laís Maria Rodrigues Silva ORCID logo , Keise Duarte Bacelar de Morais ORCID logo , Júlio César Lima Neves ORCID logo , Teogenes Senna de Oliveira ORCID logo

16/jun/2025

ABSTRACT Soils of the Cerrados (Brazilian Savanna) are deep, well-structured, and well-drained, with flat to gently undulating terrain that favors mechanization for coffee cultivation. However, these soils are susceptible to compaction. This study aimed to assess the effect of mechanization on the physical characteristics of an Oxisol under irrigated coffee cultivation in the Alto Paranaíba-Minas Gerais State. We selected eight areas with different cultivars and years of Arabica coffee plantation, sampling five positions: right soil under the tree crown (RSC), […]

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