Soil Response to Trampling Under Intensive Rotation Grazing

Warren, Steven D.; Nevill, M. B.; Blackburn, W. H.; Garza, Nick

doi:10.2136/sssaj1986.03615995005000050050x

Cited by 136 publications

(104 citation statements)

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“…A diferença de lotação animal durante o período chuvoso de 4,80 UA ha -1 no R1 para 4,12 UA ha -1 no R2 pode ter sido decisiva na degradação das propriedades físicas do solo estudado. Van Haveren (1983), Warren et al (1986) e Chanasyk & Naeth (1995) também observaram uma deterioração das propriedades físicas do solo com o aumento da taxa de lotação animal. O aumento da taxa de lotação causou aumento da Ds e redução do IHO, principalmente pelo aumento da umidade do solo em que a RP atinge 3,0 MPa.…”

Section: Resultsunclassified

Intervalo hídrico ótimo na avaliação de sistemas de pastejo contínuo e rotacionado

Leão¹,

Silva

Macedo³

et al. 2004

Rev. Bras. Ciênc. Solo

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Section: Resultsunclassified

Intervalo hídrico ótimo na avaliação de sistemas de pastejo contínuo e rotacionado

Leão¹,

Silva

Macedo³

et al. 2004

Rev. Bras. Ciênc. Solo

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“…the overgrazed, moderately grazed, least grazed and ungrazed sites. An area was considered heavily grazed if >65% of the quadrat was grazed; moderate if 33% -64% was grazed and the least grazed if <33% was grazed as recommended by Warren et al, (1986) [23]. Ten sampling locations were randomly established in each of the four study sites making a total of 40 locations in the entire study area.…”

Section: Soil Sampling Proceduresmentioning

confidence: 99%

The Impact of Livestock Grazing on Soil Characteristics in Mount Kilimanjaro, Tanzania

Mligo¹

2015

GEP

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Livestock grazing is an anthropogenic disturbance on the soil properties in montane forests of the northern slopes of Mount Kilimanjaro. It was determined the effect of livestock grazing on SOC, N, CEC, SAS, SFD and P in the montane forest. Forty plots were randomly established for collection of soil samples. Data showed livestock grazing decreased the accumulation of SOC and consequently negatively affected the natural pattern of N, P, SFD, CEC and SAS. An opposing pattern of available soil phosphorus was interpreted that the nutrient pool retained in plant tissues particularly in the long-lived trees, which were absent in heavily grazed area. The observed positive correlation between SOC with TN and CEC implies the livestock grazing impacts on the former negatively affected the later soil parameters. Low fungal density in degraded parts of the montane forest indicates that they are sensitive to the current land use change. Based on the observation from this study, it can be regarded that excessive livestock grazing has a long-term negative ramification for soil conservation in montane forest. An important decision has to be sought off with regard to the conservation management of soil characteristics of the montane forest in Kilimanjaro Mountain.

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“…A compactação induz aumento de densidade do solo (Carvalho, 1976;Chanasyk & Naeth, 1995;Azenegashe et al, 1997), diminuição da porosidade total, e alteração na distribuição dos tamanhos dos poros (Willatt & Pullar, 1983;Dexter, 1988) e das propriedades hidráulicas do solo (Horton et al, 1994). Outros efeitos têm sido observados, como modificações na estabilidade e tamanho dos agregados (Warren et al, 1986) e aumento na resistência do solo à penetração das raízes (Murphy et al, 1995). A extensão e natureza das modificações nos atributos do solo ocasionadas pelo pisoteio dependem da intensidade de pisoteio, da umidade e tipo de solo.…”

Section: Introductionunclassified

Aplicações da curva de resistência no controle da qualidade física de um solo sob pastagem

Imhoff

Silva

Tormena

2000

Pesq. agropec. bras.

116

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APPLICATIONS OF THE RESISTANCE CURVE IN THE CONTROL OF THE PHYSICAL QUALITY OF SOILS UNDER GRASSABSTRACT -The degradation of the physical quality of soils has been associated with the soil compaction caused by animal trampling. The soil resistance to penetration (SRP) is a soil physical parameter used to assess the soil compaction degree. However, SRP varies with soil moisture (q) and bulk density (D b ). The objective of this research was to quantify the soil resistance curve and use it to evaluate the physical quality of a soil under short duration grazing system of elephant grass. The soil resistance curve was measured using forty-eight undisturbed cores taken at the 0-10 cm depth of a Kandiudalfic Eutrudox used with elephant grass in intensive system of exploration. The results indicated a negative correlation among SRP and q as well as a positive correlation between SRP and D b . Predictions indicated that at soil matric potential equal to -0.01 MPa the SRP did not reach critical values to root growth. Nevertheless, at the soil matric potential equal to -0.3 MPa, the SRP reached limiting values in the whole area. For the management system and the studied species, the results suggest that soil resistance curve may be used to guide soil management practices for maintaining a good soil physical quality for grass growth.

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Soil Response to Trampling Under Intensive Rotation Grazing

Cited by 136 publications

References 0 publications

Intervalo hídrico ótimo na avaliação de sistemas de pastejo contínuo e rotacionado

Intervalo hídrico ótimo na avaliação de sistemas de pastejo contínuo e rotacionado

The Impact of Livestock Grazing on Soil Characteristics in Mount Kilimanjaro, Tanzania

Aplicações da curva de resistência no controle da qualidade física de um solo sob pastagem

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