in Taiwan, i.e., sweet potato, maize, sugarcane, and sweet sorghum have been discussed. Sweet sorghum can be strongly …

agricultural commodities, specifically corn and sugarcane, using the multivariate diagonal BEKK conditional volatility model. The … market, there were significant negative co-volatility spillover effects, specifically corn on subsequent sugarcane co …-volatility with corn, and sugarcane on subsequent corn co-volatility with sugarcane. In the other 4 cases, there are no significant co …

maize seed acquisition in the Central Valleys of Oaxaca. These farmers have different needs and require seed of diverse … maize types with multiple traits in particular combinations. Formal seed distribution has yet to develop in this region and … farmers depend mostly on informal seed sources. Issues of information about maize seed, seed transaction negotiation and …