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The diversity of bean producing areas in Africa in terms of environments and cropping systems and the nature of existing cultivars are briefly described. The lengths of growing seasons and rainfall, temperature and photoperiod during the growing seasons of bean producing areas are being character...
This study demonstrated the capabilities of Landsat-5 Thematic Mapper (TM) data in regional mapping and characterization of inland valley (valley bottoms plus valley slopes or fringes) agroecosystems. A methodology was developed involving image enhancement, display and digitizing, as well as imag...
Results of research on soil fertility management for bean production in Uganda are explored. The occurrence and severity of soil fertility problems as constraints to bean production are examined and additional research needs are suggested. Results of trials conducted on research station and farme...
Se examinan los resultados de investigaciones en manejo de la fertilidad del suelo para la produccion de frijol en Uganda y la presencia y severidad de los problemas de fertilidad del suelo como factores limitantes de la produccion de este cultivo. Se sugieren necesidades adicionales de investiga...
This atlas for Central America provides general information on the different degrees of adaptation efforts needed to mitigate climate change impacts on coffee production, as well as maps of the region and of each country, agroclimatic zone maps (ACZ), and impact gradient maps. This information fa...
An overview is given of the current status of snap bean cultivation in China, where production estimates for 1988 range from 2.5 to 5.0 million MT. Historical aspects of Chinese agriculture, and vegetable cultivation in particular, are briefly discussed. Highly specialized agronomic techniques us...
Seventy nine samples of two Phaseolus species were collected during a germplasm exploration in Cusco. Of particular interest are: 25 landraces of P. vulgaris (of which 7 are popped beans) and 8 populations of a particular wild common bean. Strong indications about the existence of a crop-weed com...
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