Search results with tag "Intensive subsistence agriculture"

Intensive Subsistence Agriculture: Impacts, Challenges and ...

example accounted for only 2% of world fertilizer con-sumption in 2003/04 while North America accounted for 15% (FAO 2005c). In sub Saharan Africa (excluding the Republic of South Africa), the average fertilizer use is only 10 kg ha -1 (Wallace and Knausenberger 1997). Fig. 1 Multiple vegetable cropping system in which kale (Brassica ole-

  Challenges, Agriculture, Impact, Fertilizers, Intensive, Challenges and, Subsistence, Intensive subsistence agriculture