scholarly journals Residual of the mixture of glyphosate and 2,4-d herbicides on yellow red latosol with soybean cultivation

2021 ◽  
Vol 17 (8) ◽  
pp. 1081-1087
Author(s):  
Plens Andrade Sérgio ◽  
Silva Fernandes Dionanta ◽  
Andrade Couto Moreno Arantes Sayonara ◽  
Resende Arantes Kelte ◽  
Cruz Genúncio Gláucio ◽  
...  
Keyword(s):  
Red Latosol

scholarly journals DEVELOPMENT OF PIGEON PEA INOCULATED WITH RHIZOBIUM ISOLATED FROM COWPEA TRAP HOST PLANTS

2016 ◽  
Vol 29 (4) ◽  
pp. 789-795 ◽  
Author(s):  
SALOMÃO LIMA GUIMARÃES ◽  
LAURA CRISTINA REZENDE DAS NEVES ◽  
EDNA MARIA BONFIM-SILVA ◽  
DANIELA TIAGO DA SILVA CAMPOS
Keyword(s):  
Nitrogen Fertilization ◽  
Dry Weight ◽  
Pigeon Pea ◽  
Index Number ◽  
Randomized Design ◽  
Rhizobium Strains ◽  
Commercial Inoculant ◽  
Red Latosol ◽  
Inoculation Treatment ◽  
Bradyrhizobium Spp

ABSTRACT Pigeon pea is an important protein source grown in several tropical and sub-tropical countries, and is considered a multi-purpose plant that is resistant to the conditions of the Brazilian Cerrado. Among the possible uses for cowpea, its use as a green manure, increasing soil nitrogen content through the association with diazotrophic bacteria, generically known as rhizobia, is noteworthy. The present work aimed to evaluate the efficiency of Rhizobium strains isolated from cowpea plants in the development of pigeon peas cultured in Red Latosol. The experiment was conducted in a greenhouse, using a completely randomized design with seven treatments and four replications. Treatments consisted of inoculation with four Rhizobium strains (MT8, MT15, MT16, and MT23) and one commercial inoculant comprising Bradyrhizobium spp. strains BR 2801 and BR 2003. There were two controls, one absolute (without inoculation or nitrogen fertilization) and the other with nitrogen fertilization. Each experimental plot consisted of an 8-dm3 vase containing three plants. Analyzed variables included plant height, SPAD index, number and dry weight of nodules, and shoot and root dry masses. Pigeon peas responded significantly to inoculation treatment, since all the plants inoculated with Rhizobium strains isolated from cowpea strains showed results similar to plants in the nitrogen control and commercial inoculant treatments. This demonstrates a favorable plant-bacteria interaction, which can be utilized as an alternative nitrogen source for pigeon peas.

scholarly journals Construction and calibration of TDR probes for volumetric water content estimation in a Distroferric Red Latosol

2013 ◽  
Vol 33 (5) ◽  
pp. 919-928 ◽  
Author(s):  
Rosimaldo Soncela ◽  
Silvio C. Sampaio ◽  
Marcio A. Vilas Boas ◽  
Maria H. F. Tavares ◽  
Adriana Smanhotto
Keyword(s):  
Water Content ◽  
Irrigation Management ◽  
Time Domain Reflectometry ◽  
Volumetric Water Content ◽  
Coefficient Of Determination ◽  
Calibration Model ◽  
Advantages And Disadvantages ◽  
Disturbed Soil ◽  
Red Latosol ◽  
The Time Domain

The determination of volumetric water content of soils is an important factor in irrigation management. Among the indirect methods for estimating, the time-domain reflectometry (TDR) technique has received a significant attention. Like any other technique, it has advantages and disadvantages, but its greatest disadvantage is the need of calibration and high cost of acquisition. The main goal of this study was to establish a calibration model for the TDR equipment, Trase System Model 6050X1, to estimate the volumetric water content in a Distroferric Red Latosol. The calibration was carried out in a laboratory with disturbed soil samples under study, packed in PVC columns of a volume of 0.0078m³. The TDR probes were handcrafted with three rods and 0.20m long. They were vertically installed in soil columns, with a total of five probes per column and sixteen columns. The weightings were carried out in a digital scale, while daily readings of dielectric constant were obtained in TDR equipment. The linear model θν = 0.0103 Ka + 0.1900 to estimate the studied volumetric water content showed an excellent coefficient of determination (0.93), enabling the use of probes in indirect estimation of soil moisture.

scholarly journals Chemical and physical-hydric characterisation of a red latosol after five years of management during the summer between-crop season

2014 ◽  
Vol 38 (5) ◽  
pp. 1576-1586 ◽  
Author(s):  
José Fausto Guimarães Silva ◽  
Eduardo da Costa Severiano ◽  
Kátia Aparecida de Pinho Costa ◽  
Vinícius de Melo Benites ◽  
Wellingthon da Silva Guimarães Júnnyor ◽  
...  
Keyword(s):  
Cover Crop ◽  
Soil Structure ◽  
Production Systems ◽  
Chemical Properties ◽  
Agricultural Activity ◽  
Adjacent Area ◽  
No Tillage ◽  
Crop Season ◽  
Structural Improvement ◽  
Red Latosol

Agricultural production systems that include the production of mulch for no-tillage farming and structural improvement of the soil can be considered key measures for agricultural activity in the Cerrado region without causing environmental degradation. In this respect, our work aimed to evaluate the chemical and physical-hydric properties of a dystrophic Red Latosol (Oxisol) in the municipality of Rio Verde, Goias, Brazil, under different soil management systems in the between-crop season of soybean cultivation five years after first planting. The following conditions were evaluated: Brachiaria brizantha cv. Marandu as a cover crop during the between-crop season; Second crop of maize intercropped with Brachiaria ruziziensis; Second crop of grain alone in a no-tillage system; Fallow soil after the soybean harvest; and Forest (natural vegetation) located in an adjacent area. Soil samples up to a depth of 40 cm were taken and used in the assessment of chemical properties and soil structure diagnostics. The results demonstrated that the conversion of native vegetation areas into agricultural fields altered the chemical and physical-hydric properties of the soil at all the depths evaluated, especially up to 10 cm, due to the activity of root systems in the soil structure. Cultivation of B. brizantha as a cover crop during the summer between-crop season increased soil water availability, which is important for agricultural activities in the region under study.

scholarly journals Changes in chemical properties of distrophic Red Latosol as result of swine wastewater application

2014 ◽  
Vol 18 (2) ◽  
pp. 210-216 ◽  
Author(s):  
Juarez R. Cabral ◽  
Paulo S. L. de Freitas ◽  
Roberto Rezende ◽  
Antonio S. Muniz ◽  
Altair Bertonha
Keyword(s):  
Chemical Properties ◽  
Field Conditions ◽  
Swine Wastewater ◽  
Mineral Fertilizers ◽  
Elephant Grass ◽  
Soil Aluminum ◽  
Crop Cycle ◽  
Red Latosol

Swine wastewater (SW) has characteristics that allow its disposal in the soil as a fertilizer. This is an alternative in order not to accumulate this material in the farm as well as it provides savings with mineral fertilizers. The aim of this study was to evaluate the effect of applying swine wastewater on the chemical properties of a distrophic Red Latosol for two seasons. The experiment was carried out under field conditions with treatments defined as T0 = 0 (control), T1 = 150, T2 = 300, T3 = 450, T4 = 600, T5 = 750 m3 ha-1 of SW applied during the crop cycle of elephant grass. SW application contributed to the increase of magnesium and phosphorus and the reduction of soil aluminum in the first season. As for the second season when compared to the first one, there were reductions in K, Ca, and P concentrations. Hence applications of SW did not contribute to the increase in concentration of elements in the soil.

scholarly journals RELAÇÕES SOLO-SUPERFÍCIES GEOMÓRFICAS NA PORÇÃO NORTE DA BACIA DO RIBEIRÃO CHIQUEIRO – GOUVEIA, MG

2013 ◽  
Author(s):  
Alisson Duarte Diniz ◽  
Cristiane Valéria de Oliveira ◽  
Cristina H. R. R. Augustin
Keyword(s):  
Steep Slope ◽  
Climate Conditions ◽  
Red Latosol ◽  
The Relationship

O objetivo desse artigo é de mostrar a relação entre as superfícies geomórficas e as classes de solos na porção norte da bacia do Ribeirão Chiqueiro, Gouveia (MG). O estudo e mapeamento dos solos da região demonstraram que os aspectos pedológicos estão fortemente associados às formas do relevo e a litologia.Os Latossolos Vermelhos encontram-se em áreas de rochas metabásicas, em relevo suave ondulado e onduladocom vertentes convexas retilíneas e convexo - convexas. Os Latossolos Vermelho – Amarelos estão em áreas de granito, em relevo suave ondulado e ondulado com vertentes convexas retilíneas extensas e maishomogêneas. Os Cambissolos estão localizados em relevo ondulado e forte ondulado, apresentando encostas convexo - convexas curtas, em áreas de granitos e xistos. Em relação aos Neossolos Litólicos, a fortedeclividade, associada ao relevo montanhoso e ao clima frio de altitude, e mesmo o relevo plano sobre umalitologia resistente ao intemperismo, proporcionaram o pouco desenvolvimento desses solos. Os Neossolos Flúvicos estão relacionados às regiões de terraços e são caracterizados por camadas intercaladas de areia grossa e areia fina. ABSTRACT:This article aimed reports the relationship between landform and soils in the northerly part of Ribeirão Chiqueiro basin, Gouveia, MG. The results showed that the region’s soils are associated to the landformsand to the lithology. The Red Latosol is found on basic and metabasic rocks areas, in gentle undulatingrelief and undulating relief characterized by convex – convex and convex rectilinear slopes. The Red Yellow Latosol develops on granites, in undulating gentle landform, with convex rectilinear slopes, extensive andmore homogeneous. The Cambisols are found in undulating forms, presenting short convex – convex slopes,in granite and schist areas. Concerning the Lithosols, steep slope, associated to the mountain relief and highaltitude climate conditions, and even to the flat landform upon a lithology resistant to the weathering,provided a little development of these soils. Fluvial soils are associated to terrace areas, being characterized by little development.

scholarly journals Selection of Indicators to Discriminate Soil Tillage Systems and to Assess Soil Quality in a Red Latosol

2020 ◽  
Vol 63 (spe) ◽  
Author(s):  
Regiane Kazmierczak ◽  
Neyde Fabíola Balarezo Giarola ◽  
Flávia Biasso Riferte ◽  
Josiane Burkner dos Santos ◽  
Alisson Marcos Fogaça ◽  
...  
Keyword(s):  
Soil Quality ◽  
Soil Tillage ◽  
Tillage Systems ◽  
Red Latosol ◽  
Selection Of

scholarly journals DEGRADAÇÃO DO SOLO E PECUÁRIA EXTENSIVA NO NORTE DE MATO GROSSO

Nativa ◽  
2019 ◽  
Vol 7 (6) ◽  
pp. 642
Author(s):  
Anderson Lange ◽  
Jeferson Dantas ◽  
Onã Da Silva Freddi ◽  
Willian Buratto ◽  
Cassiano Spaziani ◽  
...  
Keyword(s):  
Exchange Capacity ◽  
Pasture Management ◽  
Cattle Breeding ◽  
Mato Grosso ◽  
Forest Condition ◽  
History Of ◽  
Soil Carbon Stocks ◽  
Calcium Magnesium ◽  
Red Latosol ◽  
Changes In Soil Properties

A pecuária no Brasil tem uma longa história referente ao manejo de pastagens, contudo, informações sobre as alterações nas propriedades do solo devido a conversão de áreas de floresta para pastagens no bioma Amazônico ainda são incipientes. Objetivou-se mensurar os impactos nas propriedades químicas e físicas em um Latossolo Vermelho-Amarelo cultivado com pastagem por 10 e 20 anos sem correções em comparação a condição de floresta. A conversão do uso do solo de floresta para pastagens, num período de 20 anos, resultou em redução do pH, dos teores de fósforo, potássio, cálcio, magnésio, saturação por bases e capacidade de troca catiônica. Não se verificou mudanças significativas nos estoques de carbono do solo. O uso do solo por 10 ou 20 anos com pastagem resultou em aumento da densidade de solo, causando compactação superficial.Palavras-chave: fertilidade do solo; sustentabilidade agrícola; estoque de carbono. SOIL DEGRADATION BY THE EXTENSIVE LIVESTOCK IN THE SOUTHERN AMAZON OF THE STATE OF MATO GROSSO ABSTRACT: Cattle breeding in Brazil has a long history of pasture management, however, information on changes in soil properties due to the conversion of forest areas to pasture in the Amazon biome is still incipient. The objective of this study was to measure the impacts on the chemical and physical properties of a Yellow-Red Latosol cultivated with pasture for 10 and 20 years without corrections in comparison to the forest condition. The conversion of forest land use to pasture over a 20-year period resulted in reduced pH, phosphorus, potassium, calcium, magnesium, base saturation, and cation exchange capacity. There were no significant changes in soil carbon stocks. Soil use for 10 or 20 years with pasture resulted in increased soil density, causing surface compaction.Keywords: soil fertility; agricultural sustainability; carbon stock.

scholarly journals Biosolid in the Chemical and Physical Attributes of a Typical Dystrophic Red Latosol

2020 ◽  
Vol 27 (4) ◽  
Author(s):  
Kelly Dayana Benedet Maas ◽  
Oscarlina Lúcia dos Santos Weber ◽  
José Fernando Scaramuzza ◽  
Cristiane Ramos Vieira
Keyword(s):  
Physical Attributes ◽  
Red Latosol

Initial Development of Soybean as a Bioindicator of the Potential of Leaching 2,4-D In Red Latosol

2018 ◽  
Vol 34 (4) ◽  
pp. 727-733
Author(s):  
Vinícius Melo da Silva ◽  
Tonny José Araújo Da Silva ◽  
Maria Aparecida Peres de Oliveira ◽  
Edna Maria Bonfim-Silva ◽  
Jefferson Vieira José ◽  
...  
Keyword(s):  
Seedling Emergence ◽  
Residual Effect ◽  
Control Treatment ◽  
Depth Range ◽  
Soil Columns ◽  
Initial Development ◽  
Leaching Potential ◽  
Factorial Model ◽  
Emergence Percentage ◽  
Red Latosol

Abstract. The objective of this study was to evaluate the potential of leaching 2,4-D in Red Latosol using soybean as a bioindicator plant, to verify the residual effect of the distribution of the herbicide in the soil on the initial development of the plant. The experimental design is a 5 × 11 × 2 triple factorial model, with 5 treatments of water slides (20, 40, 60, 80 and 100 mm) applied by a rainfall simulator. The depth of 11 layers (0-5, 5 -10, 10-15, 15-20, 20-25, 25-30, 30-35, 35-40, 40-45, 45-50, and 50-55 cm) were mounted on soil columns using two groups (in the absence and the presence of the 2,4-D herbicide dimethylamine by application at a dose of 1500 g a.i. ha-1), with four replicates, making 440 experimental plots. The residual effect of the herbicide was evaluated by seedling emergence speed index, total seedling emergence percentage and plant height evaluation. The results demonstrated that the effect of 2,4-D herbicide distribution along the soil profile induces increases in the initial development of soybean when compared to the control treatment. However, the residual 2,4-D in the soil decreases with 80- and 100-mm sheets that have greater herbicide leaching potential beyond the depth range of the soil columns. Keywords: Residual effect, Seedling emergence, Glycine max.

scholarly journals Physical-chemical effects of irrigation with treated wastewater on Dusky Red Latosol soil

2015 ◽  
Vol 10 (4) ◽  
Author(s):  
Thaís Grandizoli Mendonça ◽  
Vanessa Ribeiro Urbano ◽  
Reinaldo Gaspar Bastos ◽  
Claudinei Fonseca Souza
Keyword(s):  
Treated Wastewater ◽  
Chemical Effects ◽  
Physical Chemical ◽  
Red Latosol
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