AGRONOMICAL ATTRIBUTES OF SOYBEANS AND SOIL RESISTANCE TO PENETRATION IN NO-TILLAGE AND CHISELED SURFACES

ABSTRACT The soil resistance to penetration study helps in understanding the state of soil compaction, indicating how best to manage it. The present study aimed to verify the influence of time management in modeling curves of resistance to penetration in Oxisol under different uses and management of pastures and woodland in field conditions, using the stepwise procedure. The study was conducted in the Cerrado region. Five (5) systems of uses and management of pastures and native woodland were evaluated: ILPF: crop-livestock-forest integration; ILP: crop-livestock integration; P: Area in the extensive grazing system; MN: native woodland; PIQ: rotated picket. The experiments were assessed for the years 2012/13 and 2013/14. To obtain the models, an analysis with four independent variables was performed: Gravimetric moisture (X1), bulk density (X2), total porosity (X3) and organic matter (X4) and the dependent variable, soil resistance to penetration (Y). The multiple regression analysis by STEPWISE with F of 0.15 was used. The equation that best estimated the resistance to penetration was RP = 14.68 to 0.26 for Native Woodland in layers from 0.20 - 0.40 m with R2 indices of 0.97 in year 1. For year 2, the equation that estimated the resistance to penetration was obtained in the PIQ treatment, PR = - 15.94 - 0.29 PT + 15.87 DS + 0.05 MO. with R2 of 0.94.

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Soil resistance to penetration and least limiting water range for soybean yield in a haplustox from Brazil

Brazilian Archives of Biology and Technology ◽

10.1590/s1516-89132005000800002 ◽

2005 ◽

Vol 48 (6) ◽

pp. 863-871 ◽

Cited By ~ 19

Author(s):

Amauri Nelson Beutler ◽

José Frederico Centurion ◽

Alvaro Pires da Silva

Keyword(s):

Water Content ◽

Soil Compaction ◽

Dry Matter ◽

Field Capacity ◽

Soil Resistance ◽

Soybean Yield ◽

Randomized Experimental Design ◽

Least Limiting Water Range ◽

Dry Matter Weight ◽

Resistance To Penetration

The objective of this study was determine the resistance to penetration (PR), least limiting water range (LLWR) and critical bulk density (Db-crit) for soybean yield in a medium-textured oxisol (Haplustox). The treatments represented the soil compaction by passing a tractor over the site 0, 1, 2, 4, and 6 times, with 4 replications in a randomized experimental design. Samples were collected from 0.02-0.05, 0.07-0.10 and 0.15-0.18 m depths. Soybean (Glycine max cv. Embrapa 48) was sowed in December 2002. Plant height, number of pods, aerial dry matter, weight of 100 seeds, and the yield in 3.6 m² plots were recorded. Soybean yield started reduction at the PR of 0.85 MPa and Db of 1.48 Mg m-3. The LLWR was limited in highest part by water content at field capacity (0.01 MPa tension) and in lowest part by water content at PRcrit, achieved the Db-crit to yield at 1.48 Mg m-3.

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Evaluation of Pigeon Pea Lines for Biological Soil Decompaction

International Journal of Agronomy ◽

10.1155/2009/609717 ◽

2009 ◽

Vol 2009 ◽

pp. 1-7

Author(s):

Rodolfo Godoy ◽

Osny Oliveira Santos Bacchi ◽

Fernando Almeida Moreira ◽

Klaus Reichardt

Keyword(s):

Root Growth ◽

Pigeon Pea ◽

Soil Resistance ◽

Biological Processes ◽

Soil Layers ◽

Compacted Soil ◽

Cultivation Practices ◽

Series Of Experiments ◽

Growth Development ◽

Resistance To Penetration

Soil decompaction is generally achieved through mechanical cultivation practices; however biological processes can significantly add to this process through root growth, development, and later senescence. This study was carried out in Piracicaba, SP, Brazil and had the purpose of selecting, among forty one pure pigeon pea lines, the most efficient genotypes that promote soil decompaction by roots penetrating compacted soil layers. Utilizing artificially compacted 30 mm high soil blocks, in a series of experiments, these lines were compared to the cultivar Fava Larga taken as a standard. Three lines were preliminarily selected out of the initial group, and afterwards, in more detailed screenings by monitoring soil resistance to penetration and also evaluating the behavior of Tanzania grass plants seeded after pigeon pea, two of them, g5-94 and g8-95, were selected as possessing the most fit root system to penetrate compacted soil layers.

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EFFECT OF VETIVER ROOTS ON SOIL RESISTANCE TO PENETRATION IN A TYPIC FLUVIC NEOSSOL IN THE SÃO FRANCISCO RIVERBANK

Revista Caatinga ◽

10.1590/1983-21252018v31n416rc ◽

2018 ◽

Vol 31 (4) ◽

pp. 935-943

Author(s):

Lorena Machado ◽

Francisco Sandro Rodrigues Holanda ◽

Alceu Pedrotti ◽

Olavo José Marques Ferreira ◽

Renisson Neponuceno de Araújo Filho ◽

...

Keyword(s):

Water Retention ◽

Ground Cover ◽

Root Density ◽

Average Moisture Content ◽

Soil Resistance ◽

Vetiver Grass ◽

Erosion Processes ◽

Particle Size Data ◽

Adequate Ground ◽

Resistance To Penetration

ABSTRACT The aim of this study was to evaluate the effect of the root of vetiver grass (Chrysopogon zizanioides (L.) Robert) on the soil Resistance to penetration (RP) in the margins of the lower São Francisco River. Vetiver grass seedlings were planted on the riverbank margins in order to increase soil resistance to erosion processes, and RP assessments were made at soil depths of 0-0.20, 0.20-0.40, and 0.40-0.60 m in different situations (near the plants and within rows). RP data was obtained using an automated penetrometer. Gravimetric moisture data was also collected, as well as particle size data by densimetry, and root density data by the monolith method. The results of the RP, moisture, and root density studies were subjected to analysis of variance (p <0.05) and then the averages were compared by the Tukey test using SISVAR software. The samples next to the vetiver grass showed an average RP of 1793.94 kPa and an average moisture content of 11.78%, statistically differing from that of the sampled points within rows. RP and soil moisture did not differ statistically at the depth assessed. The vetiver grass produced an adequate ground cover, leading to higher water retention and hence a reduced resistance to penetration.

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SPATIALIZATION OF SOIL RESISTANCE TO PENETRATION FOR LOCALIZED MANAGEMENT BY PRECISION AGRICULTURE TOOLS

Engenharia Agrícola ◽

10.1590/1809-4430-eng.agric.v38n5p690-696/2018 ◽

2018 ◽

Vol 38 (5) ◽

pp. 690-696 ◽

Cited By ~ 1

Author(s):

Jorge W. Cortez ◽

Victor H. Cavassini ◽

Anamari V. de A. Motomiya ◽

Roberto C. Orlando ◽

Igor Q. M. Valente

Keyword(s):

Precision Agriculture ◽

Soil Resistance ◽

Resistance To Penetration

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THE USE OF ARTIFICIAL INTELLIGENCE FOR ESTIMATING SOIL RESISTANCE TO PENETRATION

Engenharia Agrícola ◽

10.1590/1809-4430-eng.agric.v38n1p142-148/2018 ◽

2018 ◽

Vol 38 (1) ◽

pp. 142-148 ◽

Cited By ~ 1

Author(s):

Tonismar dos S. Pereira ◽

Adroaldo D. Robaina ◽

Marcia X. Peiter ◽

Rogerio R. Torres ◽

Jhosefe Bruning

Keyword(s):

Artificial Intelligence ◽

Soil Resistance ◽

Resistance To Penetration

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INTERVALO HÍDRICO ÓTIMO EM ÁREA DE CANA-DE-AÇÚCAR COM DIFERENTES CICLOS DE COLHEITA MECANIZADA

Irriga ◽

10.15809/irriga.2016v1n1p96-108 ◽

2018 ◽

Vol 1 (1) ◽

pp. 96

Author(s):

Oswaldo Julio Vischi Filho ◽

Zigomar Menezes de Souza ◽

Gustavo Soares de Souza ◽

Allan Charlles Mendes de Sousa ◽

Reginaldo Barboza da Silva

Keyword(s):

Saccharum Officinarum ◽

Soil Resistance ◽

Physical Quality ◽

Physical Conditions ◽

Cycle System ◽

Commercial Farming ◽

Soil Physical Quality ◽

Least Limiting Water Range ◽

Effective Use ◽

Resistance To Penetration

INTERVALO HÍDRICO ÓTIMO EM ÁREA DE CANA-DE-AÇÚCAR COM DIFERENTES CICLOS DE COLHEITA MECANIZADA OSWALDO JULIO VISCHI FILHO1; ZIGOMAR MENEZES DE SOUZA1; GUSTAVO SOARES DE SOUZA2; ALLAN CHARLLES MENDES DE SOUSA1 E ; REGINALDO BARBOZA DA SILVA3 1Laboratório de Solos,Faculdade de Engenharia Agrícola, Universidade Estadual de Campinas, Campinas, SP, [email protected], [email protected], [email protected] Experimental Bananal do Norte, Instituto Capixaba de Pesquisa, Assistência Técnica e Extensão Rural, [email protected] Executiva, Universidade Estadual Paulista “Julio de Mesquita Filho”, Campus de Registro, SP, [email protected] 1 RESUMO Este trabalho teve como objetivo avaliar a qualidade física do solo, por meio do intervalo hídrico ótimo (IHO), visando diagnosticar o comportamento estrutural de solo sob cultivo de cana-de-açúcar crua em diferentes ciclos produtivos. O experimento foi desenvolvido em lavoura comercial de cana-de-açúcar em um Latossolo Vermelho distrófico (LVd) com textura média. Os tratamentos foram: um (CM1) e três (CM3) ciclos produtivos da lavoura (em média seis anos por ciclo) com colheita mecanizada. O solo foi amostrado nas linhas de plantio e nas entrelinhas, distante 0,30 m da linha de plantio, nas camadas de 0,00-0,10, 0,10-0,20, 0,20-0,30 e 0,30-0,40 m. A qualidade física do solo foi avaliada por meio do IHO. O IHO foi maior no sistema de colheita mecanizada com três ciclos (CM3), quando relacionado com o sistema com um ciclo (CM1), sugerindo que esse sistema contribuiu para a melhoria das condições físicas do solo avaliado como densidade, porosidade, resistência do solo à penetração e capacidade de armazenamento de água. A maior faixa de água não limitante ao desenvolvimento radicular da cana no sistema CM3 foi decorrente da utilização efetiva do preparo mínimo da linha de plantio, permitindo uma recuperação dos atributos físicos do solo. O IHO foi maior na linha de plantio em relação à entrelinha. Palavra-Chave: Saccharum officinarum, água no solo, qualidade física do solo, resistência do solo à penetração. VISCHI FILHO, O. J.; SOUZA, Z. M.; SOUZA, G. S.; SOUSA, A. C. M.; SILVA, R. B.LEAST LIMITING WATER RANGE ON SUGARCANE AREA WITH DIFFERENT CYCLES OF MECHANICAL HARVEST 2 ABSTRACT The present study aimed to assess the soil physical quality, through Least Limiting Water Range (LLWR), aiming to diagnose the soil structural behavior, under sugarcane cultivation at different times of handling. The experiment was conducted on a sugarcane commercial farming on Oxisol Typic Acrudox with medium texture. The treatments were: one (CM1) and three (CM3) handling cultivation cycles (six years average for cycle) through mechanical harvest system. Soil samples were collected on the planting rows and on between rows, distance of 0.30 m from planting rows, at layers of 0.00-0.10; 0.10-0.20; 0.20-0.30 e 0.30-0.40 m. Soil physical quality was assessed by LLWR. The LLWR was higher in mechanical harvesting system with three cycles (CM3), when related to one cycle system (CM1), suggesting that this system has contributed for the improvement of assessed soil physical conditions such as bulk density, soil porosity, soil resistance to penetration and water storage. The largest LLWR at sugarcane root development on CM3 system was due to the effective use of row planting reduced tillage, allowing recovery of soil physical properties. The LLWR was higher on planting rows than between rows. Keywords: Saccharum officinarum, soil water, soil physical quality, soil resistance to penetration.

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Structural quality of soils cultivated with coffee and pasture in an environmental protection area

Revista Brasileira de Ciência do Solo ◽

10.1590/s0100-06832010000300012 ◽

2010 ◽

Vol 34 (3) ◽

pp. 709-716 ◽

Cited By ~ 4

Author(s):

Vico Mendes Pereira Lima ◽

Ciro Augusto de Souza Magalhães ◽

Geraldo César de Oliveira ◽

José Maria de Lima

Keyword(s):

Environmental Protection ◽

Environmental Sustainability ◽

Structural Quality ◽

Uniaxial Compression Test ◽

Soil Resistance ◽

Environmental Protection Area ◽

Protection Area ◽

Red Latosol ◽

Resistance To Penetration

Studies of soils in Environmental Protection Areas (EPAs) are of great importance, because they are an essential component of ecosystems, directly interfering in environmental sustainability. The objective of this study was to evaluate the structural quality of soil cultivated with coffee and used as pasture in the Capituva's River microbasin, which is located in the Environmental Protection Area in Coqueiral, south of the state of Minas Gerais. Uniaxial compression test (preconsolidation test) and soil resistance to penetration were used. Undisturbed samples were taken from the surface layer (0-5 cm) of the soils in the area: a typic dystrophic Red Latosol (LVd - Oxisol), a typic eutrophic Red Argisol (PVe - Ultisol), and a typic dystrophic Haplic Cambisol (CXbd - Inceptisol). A significant linear positive correlation was observed between the results of the preconsolidation test and soil resistance to penetration. Load bearing capacity of soil could be estimated accordingly by means of penetration resistance for LVd, PVe, and CXbd. Cambisol - CXbd showed lower loading support capacity and resistance to penetration than LVd and PVe, due to the better crop management in this soil that resulted in higher physical quality which accounts for higher production and environmental sustainability.

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Soil resistance to penetration in cotton rows and interrows

Revista Brasileira de Engenharia Agrícola e Ambiental ◽

10.1590/1807-1929/agriambi.v21n6p433-439 ◽

2017 ◽

Vol 21 (6) ◽

pp. 433-439 ◽

Cited By ~ 3

Author(s):

Fábio H. R. Baio ◽

Igor M. Scarpin ◽

Cassiano G. Roque ◽

Danilo C. Neves

Keyword(s):

Soil Moisture ◽

Cotton Field ◽

Soil Resistance ◽

Control Points ◽

Cotton Crop ◽

Sample Representativeness ◽

Soil Physical Quality ◽

Sampling Position ◽

Moisture Conditions ◽

Resistance To Penetration

ABSTRACT The soil physical quality is one of the most determinant factors for the development of any crop. This study aimed to assess the sample representativeness in soil resistance to penetration mappings taken in rows and interrows of the cotton crop, under two soil moisture conditions. Thirty control points were sampled in a cotton field of 91 ha. Soil resistance to penetration and soil moisture were measured at these georeferenced points. Regardless of soil moisture, the sampling position of soil resistance to penetration is indifferent (row, interrow, or in both positions) when the analysed depth is greater than 0.20 m in the cotton crop. The decrease of soil moisture causes the increment of soil resistance to penetration, regardless of the sampling position.

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