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Showing items 1 through 9 of 259.-
Library ResourceReports & ResearchDecember, 2000Colombia, Central America, South America
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Library ResourceReports & ResearchDecember, 1981Colombia, Central America, South America
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Library ResourceJournal Articles & BooksDecember, 2001Colombia, Central America, South America
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Library ResourceConference Papers & ReportsDecember, 1995Colombia, South America, Central America
Since 1987 cassava agronomy research has been conducted by scientists from national cassava programs in Asia in collaboration and with small financial assistance from the CIAT cassava program. This paper summarizes and pulls together the results obtained, mainly corresponding to the period of 1490 to 1993.
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Library ResourceJournal Articles & BooksDecember, 2004Colombia, Brazil, Central America, South America
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Library ResourceDecember, 2009Colombia, Central America, South America
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Library ResourceReports & ResearchDecember, 1995Colombia, Central America, South America
This project was set up to investigate the level of accuracy which can be expected for slope and altitude values derived from low-cost Digital Elevation Models (DEMs). Eight gridded DEMs were generated from digitized contour maps at a range of scales:1:10,000 1:25,000 1:100,000 1:200,000 - and using a range of contour intervals 25m, 50m and 100m. A Control DEM was then produced using large scale aerial photographs (1:28,000) which were registered for auto-extraction of z-values using Helava software and accuracy tested using 91 differentially measured GPS ground control points.
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Library ResourceReports & ResearchDecember, 1987Colombia, Central America, South America
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Library ResourceReports & ResearchDecember, 1987Colombia, Central America, South America
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Library ResourceJournal Articles & BooksDecember, 1983Colombia, Central America, South America
In May 1980 the soil section of CIAT's cassava program established a fertilization trial with 3 cassava var. [Barranquena (regional), M Col 113, and CMC 921 to measure its effect on yield and establish optimum levels from an economical point of view. The trial took place in Mondomito and Agua Blanca, municipality of Santander de Quilichao, Cauca (Colombia). Twelve levels of NPK (0-0- 0; 0-100-100; 50-100-100; 100-100-100; 200-100-100; 100-0-100; 100- 50-100; 100-200-100; 100-100-0; 100-100-50; 100-100-200; 200-200- 200) were applied.
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