Sheep camping influences soil properties and pasture production in an acidic soil of New South Wales, Australia

Niu, Yining; Li, Guangdi; Chan, K. Y.; Oates, Albert

doi:10.4141/cjss08004

Cited by 7 publications

(6 citation statements)

References 34 publications

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“…Quiroga et al (2009) reported that 10 yr of cattle grazing did not alter the soil P concentration in grazed and ungrazed treatments in Argentina. In contrast, Niu et al (2009) in Australia observed that soil P and K concentrations were greater in sheep-camping than in noncamping sites due to increased animal excreta. Catde and sheep grazing in pasture can result in similar or increased soil P and K concentrations compared with ungrazed land (Mathews et al, 1994;Abaye et al, 1997).…”

Section: Soil Phosphorus Potassium and Phmentioning

confidence: 74%

Sheep Grazing in a Wheat-Fallow System Affects Dryland Soil Properties and Grain Yield

Sainju

Lenssen

Goosey

et al. 2011

Soil Science Society of America Journal

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Sheep {Ovis aria L.) grazing, an effective method of controlling weeds and pests in a wheat [Triticum aestivum L.)-fallow system, may affect dryland soil properties and wheat yield. We evaluated the effects of Fallow management for weed concrol and soil water conservation (sheep grazing, herbicide application [chemical], and tillage [mechanical]) and cropping sequence (continuous spring wheat [CSW], spring wheat-fallow [SW-F], and winter wheat-fallow [WW-F]) on soil nutrients and chemical properties in the 0-to 60-cm depth and wheat yield. The experiment was conducted in a Blackmore silt loam from 2004 to 2008 in southwestern Montana. Soil P and K concentrations at 0 to 30 cm were lower in the grazing than in the chemical or mechanical treatments. In contrast, soil Na, Ca, and Mg concentrations were greater in the grazing and mechanical than the chemical treatment. SoilMg concentration at 30 to 60 cm was greater under CSW than WW-R Soil SO^-S concentration varied with fallow management and cropping sequence. Soil pH, cation exchange capacity (CEC), and electrical conductivity (EC) at 0 to 15 cm were greater in the mechanical than in the chemical or grazing treatments. Annualized wheat yield was greater under CSW than SW-F or WW-F but was not affected by fallow management. Sheep grazing affected soil nutrients probably by consumingwheat residues but returning them at various levels through feces and urine. In contrast, tillage increased pH, CEC, and EC, probably by incorporating crop residue, feces, and urine into the soil. By applying enough P and K fertilizers to wheat and using less intensive grazing, sheep grazing can be used to sustain wheat yields without seriously affecting soil nutrients and chemical properties.

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Section: Soil Phosphorus Potassium and Phmentioning

confidence: 74%

Sheep Grazing in a Wheat-Fallow System Affects Dryland Soil Properties and Grain Yield

Sainju

Lenssen

Goosey

et al. 2011

Soil Science Society of America Journal

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show abstract

“…Quiroga et al (2009) reported that 10 yr of cattle grazing did not alter soil P concentration in grazed and non-grazed treatments in Argentina. In contrast, Niu et al (2009) in Australia observed that soil P and K concentrations were greater in sheep camping than in non-camping sites due to increased animal excreta. Cattle and sheep grazing in pasture can result in similar or increased soil P and K concentrations compared with non-grazing (Mathews et al, 1994;Abaye et al, 1997).…”

Section: Introductionmentioning

confidence: 84%

Integrating sheep grazing into wheat–fallow systems: Crop yield and soil properties

Lenssen

Sainju

Hatfield

2013

Field Crops Research

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The two predominant systems for weed management in summer fallow are tillage with a field cultivator or multiple applications of broad spectrum herbicides with zero tillage. Both systems are based on substantial use of off farm resources. Our objective was to determine if strategic grazing of sheep may allow grain growers to more sustainably manage crop residues, volunteer crop, and other weeds during fallow periods. We conducted a study near Bozeman, Montana, USA, comparing three fallow weed management systems in two crop rotations from 2005 to 2008. Fallow weed management systems were conventional tillage, chemical-fallow (herbicide application), and sheep grazing. The crop rotations were summer fallow-spring wheat and summer fallow-winter wheat. In late fall, chemical-fallow treatment had greater residue cover and soil water content than did tilled-or grazed-fallow. At 0-15-cm depth, soil had lower bulk density in chemical-and tilled-fallow than in grazed fallow. Similarly, soil NO 3-N, Ca, SO 4-S concentrations and EC were lower following grazedfallow than tilled-fallow, but Na concentration was higher following grazed-fallow than tilled-or chemicalfallow. Following spring and winter wheat, soil properties were not influenced by treatments. Grain yield was greater in winter wheat than in spring wheat but the trend reversed in protein concentration. Although soil properties varied among treatments, fallow management system had little influence on yield or quality of spring and winter wheat. Sheep grazing during fallow periods had limited impact on subsequent wheat yield and quality, and is a suitable practice for weed and residue management in wheat-fallow systems.

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“…Similarly, Quiroga et al [47] observed that 10 years of cattle grazing did not alter soil P concentration in Argentina. In contrast, Niu et al [48] in Australia observed greater soil P and K concentrations in sheep camping than in non-camping sites due to increased animal excreta. Cattle and sheep grazing in the pasture can increase soil P and K concentrations compared to non-grazing [45].…”

Section: Effect Of (A) Cover Crop and (B) N Fertilization Rate On Soimentioning

confidence: 80%

Nitrogen Fertilization II: Management Practices to Sustain Crop Production and Soil and Environmental Quality

Sainju¹,

Ghimire²,

Pradhan³

2020

Nitrogen Fixation

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Improved management practices can be used to sustain crop yields, improve soil quality, and reduce N contaminations in groundwater and the atmosphere due to N fertilization. These practices include crop rotation, cover cropping, application of manures and compost, liming, and integrated crop-livestock system. The objectives of these practices are to reduce the rate of N fertilization, enhance N-use efficiency, increase crop N uptake, promote N cycling and soil N storage, and decrease soil residual N. This chapter discusses improved management practices to reduce N fertilization rate, sustain crop yields, and improve soil and environmental quality. The adaptation of these practices by farmers, producers, and ranchers, however, depends on social, economic, soil, and environmental conditions.

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Sheep camping influences soil properties and pasture production in an acidic soil of New South Wales, Australia

Cited by 7 publications

References 34 publications

Sheep Grazing in a Wheat-Fallow System Affects Dryland Soil Properties and Grain Yield

Sheep Grazing in a Wheat-Fallow System Affects Dryland Soil Properties and Grain Yield

Integrating sheep grazing into wheat–fallow systems: Crop yield and soil properties

Nitrogen Fertilization II: Management Practices to Sustain Crop Production and Soil and Environmental Quality

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