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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.

فعّال (مزود البيانات قام بتقديم البيانات الوصفية السنة الماضية)
Journal Article

مقال مجلة

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

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

استعراض النص الكامل

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.
المجلة
Forage and grazinglands
الرقم التسلسلي المعياري الدولي (ردمد) : 1547-4631

معلومات ببليوغرافية

اللغة:
English
النوع:
Journal Article
في أجريس منذ:
2013
المجلد:
2006
الناشر:
Plant Management Network
جميع العناوين:
"Contribution of Tunneling Dung Beetles to Pasture Soil Nutrition"@eng
مسائل أخرى:
"Includes references"
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معلومات ببليوغرافية

اللغة:
English
النوع:
Journal Article
في أجريس منذ:
2013
المجلد:
2006
الناشر:
Plant Management Network
جميع العناوين:
"Contribution of Tunneling Dung Beetles to Pasture Soil Nutrition"@eng
مسائل أخرى:
"Includes references"