1. Ed : While not dealing specifically with tropical crops, some of the management situations discussed can be adapted for consideration in other contexts. Farmers around the country (US) are planting cover crops on millions of acres to protect and improve the soil, and the more that farmers use...
  2. Key Resource 1/3/1991 This book looks as methodologies for screening soil-improving legumes such as how to replenish nitrogen, which is often the limiting nutrient to plan growth, farmers in many cultures grew green manures, living crops whose primary purpose was to add nitrogen or organic matter to the soil.
  3. Key Resource 28/7/2004 In the 1980s and 1990s, green manure/cover crop (GMCC) systems became a popular agricultural technology in research and development efforts for smallholder tropical and subtropical farmers. However, few syntheses of these experiences have been conducted. This volume of case studies contributes...
  4. Key Resource 1/1/1993 3 Copies For developing nations, soil erosion is among the most chronic environmental and economic burdens. Vast amounts of topsoil are washed or blown away from arable land only to accumulate in rivers, reservoirs, harbors, and estuaries, thereby creating a double disaster: a vital resource...
  5. 1/10/1974 Soils play a critical role in meeting human food needs. Their conservation and wise use are essential today and will be even more critical in the future as population pressures increase. These pressures are already forcing the use of lands for food production that good judgment says should be...
  6. Key Resource 1/3/2001 Lessons learned in Latin America is about the use and dissemination of cover crops in different agroecosystems need to be made more widely available not only to Spanish speaking, but also Anglophone regions. This publication aims to inform a wide range of actors involved in rural development...
  7. 1/1/1985 Cultivos de estiércol verde son plantas que [muchas veces en Norteamérica] se cultivan para incorporar en la tierra para aumentar la fertilidad del suelo. Los estiércoles verdes leguminosos (por ej., aquellos que pueden funcionar como fertilizantes de nitrógeno con la conversión de nitrógeno...
  8. This article is from ECHO Asia Note #3 Crotalaria juncea, or sunn hemp, is a member of the pea family (Fabaceae) grown in many countries as a green manure or forage crop. Originating in South Asia, but with a common cultivar developed in Hawaii, it is a fastgrowing, drought-tolerant and...
  9. 1/11/2016 Cover crops play a key role in sustainable agriculture by providing sustainable sources of nutrients as well as protective soil cover to minimize erosion and reduce moisture stresses. Examples of successful cover cropping systems in East Africa will be illustrated as well as constraints and...