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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Library ResourceJournal Articles & BooksDecember, 1983Colombia, Central America, South America
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Library ResourceReports & ResearchDecember, 1983South America, Central America
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Library ResourceConstitutionDecember, 1983El Salvador
The constitution was adopted by a Constituent Assembly.
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Library Resource
Constitución de la República de El Salvador.
ConstitutionDecember, 1983El Salvador -
Library ResourceLegislationAugust, 1983Nicaragua
La presente Ley de protección de suelos y control de erosión, tiene por objeto establecer las normas especiales referentes a la protección de suelos y al control de la erosión y la vigilancia del cumplimiento de las mismas por parte del Instituto Nicaragüense de Recursos Naturales y del Ambiente (IRENA). Se declara de Interés Público y Beneficio Social la conservación de los suelos, cualquiera que sea el régimen de propiedad al que se encuentren sometidos.
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Library ResourceJanuary, 1983El Salvador
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Library ResourceConference Papers & ReportsDecember, 1983Peru, Central America, South America
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Library ResourceJournal Articles & BooksDecember, 1983Costa Rica, Central America, South America
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Library ResourceJournal Articles & BooksDecember, 1983Kenya, Nepal, Republic of Korea, Sweden, Guatemala, Italy
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Library ResourceJournal Articles & BooksDecember, 1983Colombia, Venezuela, Central America, South America
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