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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Article de revue

Contribution of Tunneling Dung Beetles to Pasture Soil Nutrition  [2006]

Bertone, M.A.; Green, J.T.; Washburn, S.P.; Poore, M.H.; et al.

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The effect of dung beetle activity on soil nutrition was studied in three distinct soil types under laboratory conditions. Two tunneling dung beetles, Onthophagus gazella (Fabricius) and Onthophagus taurus (Schreber), were allowed to incorporate cattle dung, for brood production, into a piedmont Cecil clay soil, a coastal plain sandy-loam soil and commercially available play sand. Controlled treatments included soil alone and soil exposed to dung only. Soils were tested for primary nutrients (P and K), secondary nutrients (Ca and Mg), and micronutrients (Mn, Zn, and Cu), as well as other soil characteristics (pH, exchangeable acidity, etc.). Both O. gazella and O. taurus produced the most offspring in the piedmont clay soil; variable numbers of brood were produced in other soil types. Soils exposed to dung beetle activity were generally higher in nutrient content than both soils left untreated, and those that had been exposed to cattle dung only. In this manner, tunneling dung beetles can be considered vital to nutrient recycling and plant health in pasture systems.
(Revue
Forage and grazinglands
ISSN : 1547-4631

Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2013
Volume:
2006
Editeur:
Plant Management Network
Tous les titres:
"Contribution of Tunneling Dung Beetles to Pasture Soil Nutrition"@eng
Autre:
"Includes references"
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Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2013
Volume:
2006
Editeur:
Plant Management Network
Tous les titres:
"Contribution of Tunneling Dung Beetles to Pasture Soil Nutrition"@eng
Autre:
"Includes references"