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1. 

   Development of a charcoal-fuelled dryer for the production of organic fertilizer from hog waste

   Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: B.O. Akinnuli --- Department of Mechanical Engineering, Nigeria O.P. Bodunde --- Department of Mechanical Engineering, Nigeria

   The negligence of livestock farmers regarding waste disposal and inadequate waste control facilities are becoming a serious health and environmental hazard. In this study, a charcoal-fuelled dryer was developed to eliminate the moisture content in hog waste for easy conversion...

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2. 

   The bionomics of whitegrub species (Coleoptera: Scarabaeidae) affecting commercial forestry re-establishment in representative areas of the South African summer-rainfall region

   Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Derian Echeverri-Molina --- Department of Biology, School of Science and Technology, Sefako Makgatho Health Sciences University, South Africa Prem Govender --- Research and Postgraduate Studies Directorate, Sefako Makgatho Health Sciences University, South Africa

   South African commercial forestry plants mainly Eucalyptus, Pinus and Acacia species. Invertebrate pests play a significant role in the establishment phase of these exotic trees. Whitegrubs, in particular, are known to affect seedling survival during this period. Their pest status...

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3. 

   A construction of the assembly of a frame

   Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Richard N. Ball --- University of Denver, U.S.A

   We offer here a particularly simple and direct construction of the congruence frame of a given frame, aka its assembly, from the bounded meet semilattice of differences of frame elements. The construction enables economical proofs of two of the assembly’s...

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