the interest for the spatial dimensions of agricultural development has been recently increased. this paper aimed at redefining the spatial patterns of agriculture to formulate appropriate strategies based on regional potentials. a composite agricultural development indicator (cadi), which is useful for the identification of spatial structure, has been developed. the developed composite index (...

We present a view on software systems and emphasize that a software system creates the user’s conceptual model. Regarding a software developer as a user, we point out the existence of a gap between the conceptual model of a software development system and the software developer’s conceptual model of a software system. To minimize this gap, extending software development systems to support archi...

1 Department of Microbiology and Plant Pathology, Tree Protection Co-operative Programme (TPCP), Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, Gauteng, South Africa, 2 Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, Gauteng, South Africa, 3 Department of Plant Sciences, Tree Protect...

-40.0 -20.0 0.0 20.0 40.0 60.0 80.0 100.0 120.0 140.0 160.0 180.0 Food Price Index in USD -annualIndex Trend Cycle -40 -20 0 20 40 60 80 100 120 Food Price Index in SDR -annualIndex Trend Cycle By Eugenio Díaz-Bonilla, Inter-American Development Bank Juan Francisco Ron, Inter-American Development Bank Issue Paper No. 28 ICTSD Programme on Agricultural Trade and Sustainable Development November ...

Since 1999, China has spent RMB 50 billion (about US$7 billion) to implement the ‘Grain for Green’ programme, the largest land retirement programme in the developing world. From 1999 to 2003, over 7.2 million hectares of agricultural land were retired under the programme. However, many farmers report that they did not receive the compensation promised under the programme in exchange for plantin...