1. While some elements of maternal nutrition are well known, discussion and experimentation continue on important nutritional and delivery issues. This Resource Guide, aimed at field staff who are not nutritionists, summarizes recent literature on this important topic. The annotations discuss both...
  2. This article is from ECHO Asia Note #29 The old adage ‘You can’t fix a problem if you don’t know you have one’ underpins the basic science of diagnosing plant nutrient deficiencies. For years, farmers and scientists have worked together to identify a set of visual clues that can be used to...
  3. Pueden diagnosticarse cuatro deficiencias de nutrientes—fósforo, potasio, nitrógeno y magnesio—observado las hojas del maíz. Este documento incluye fotos de hojas sanas de maíz y hojas que muestran cada una de las deficiencias de estos nutrientes. También contiene sugerencias de cómo abordar cada...