Current Approaches in Science and Technology Research Vol. 5 2021
DOI: 10.9734/bpi/castr/v5/9301d
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Integration of a Ruler to Measure Depth in the Design of the Stolf Impact Penetrometer: A Retrospective Study

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Cited by 3 publications
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“…Th e evaluated physical and hydraulic characteristics of the soil included texture, soil density, macroporosity, microporosity, total porosity, fi eld capacity, permanent wilting point, soil resistance to penetration, basic infi ltration velocity, and available water capacity of the soil (Bernardo et al, 2006;Camargo et al, 2009;Stolf et al, 2012;Teixeira et al, 2017). Th e dystroferric red latosol of the study site has a very clayey texture, with average values of sand, silt, and clay of 235, 124, and 641 g kg -1 , respectively.…”
Section: General Descriptionmentioning
confidence: 99%
“…Th e evaluated physical and hydraulic characteristics of the soil included texture, soil density, macroporosity, microporosity, total porosity, fi eld capacity, permanent wilting point, soil resistance to penetration, basic infi ltration velocity, and available water capacity of the soil (Bernardo et al, 2006;Camargo et al, 2009;Stolf et al, 2012;Teixeira et al, 2017). Th e dystroferric red latosol of the study site has a very clayey texture, with average values of sand, silt, and clay of 235, 124, and 641 g kg -1 , respectively.…”
Section: General Descriptionmentioning
confidence: 99%
“…Ref. [36] concluded that RP values of 1.2 MPa indicate no restriction on soil penetration by the roots, and RP values of 1.9 MPa are indicators of compacted soils. Using these data, it is considered that the RP presented great physical condition with no impediment to agricultural production at a depth of 0-20 cm since the values ranged from 1.7 MPa to 4.5 Mpa at the other depths.…”
Section: Kriging Mappingmentioning
confidence: 99%
“…A resistência do solo à penetração (RSP) foi determinada até a profundidade de 60 cm, por meio do uso do penetrômetro de impacto modelo STOLF (STOLF; FERNANDES; FURLANI NETO, 1983) A curva de retenção de água no solo foi determinada para cada uma das 168 amostras indeformadas coletadas, os pontos obtidos para ajustar o modelo foram 6, 10, 30, 100, 500 e 1500 kPa. Os pontos de 6 e 10 kPa foram obtidos na mesa de tensão e os pontos 30, 100, 500 e 1500 kPa foram obtidos na câmara de Richards.…”
Section: Desenho Experimentalunclassified