Most of the natural products that cause allelopathy are secondary metabolism copounds synthesized by plants and microorganisms, and most of the currently identified are present in aromatic plants. Allelopathic and autotoxic effects of coffe plants are well known due to production and accumulation of caffeine in a soluble form in...

This publication describes progress in collaborative efforts to document, characterize, regenerate, and conserve (both in seed banks and on-farm in situ) maize seed collections from the Americas since 1998. Participants from North, Central, and South America took part in a workshop at the International Maize and Wheat Improvement Center (CIMMYT)...

De acuerdo con los análisis de la FAO y otras instituciones, la información de mercados (Market Information) ayuda a los agricultores en la toma de decisiones sobre aspectos importantes del proceso de mercadeo. Además contribuye a: la reducción del riesgo asociado con la comercialización; la selección de mercados convenientes para...