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DC Field | Value | Language |
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dc.contributor.author | Ramírez Matamoros, Marco Tulio | - |
dc.contributor.author | Cisneros Espinoza, Pedro José | - |
dc.date.accessioned | 2016-01-11T12:06:38Z | - |
dc.date.available | 2016-01-11T12:06:38Z | - |
dc.date.issued | 2015-12 | - |
dc.identifier.issn | 1390-9657 | - |
dc.identifier.uri | http://dspace.ucuenca.edu.ec/handle/123456789/23356 | - |
dc.description | Existe un incremento de 48% en la densidad aparente, en Andosoles sometidos a intensa actividad agropecuaria (Buerán), e invernadero (Quimsacocha). En la ganadería intensiva con pastos mejorados (27%) y suelo arado con tractor (Cancán) 8% en un año. La Ks es mayor en sitios alterados (10-83%). La humedad de saturación (pF0), supera el 80%, en Andosoles inalterados, excepto Cancán (67%), que se explicaría por alta DA (0.86 g cm-3), el arado en Cancán presenta los valores más bajos 65%, en los restantes alterados es < 80%. La actividad agropecuaria en Buerán causa una reducción de: 13% del contenido volumétrico a pF0, 22% a pF 2.7 y 37% a pF 4.2. Excepto los alterados: Cancán y Cajas aumenta 19% a pF 4.2. La reducción del contenido total del agua, entre los sitios testigos vs alterados, muestran diferencias significativas (p=0.0004) con 29%. | es_ES |
dc.description.abstract | There is 48% increase of DA in Andosols, that are subjected to intense agricultural activity (Buerán) and greenhouse (Quimsacocha). In intensive farming with improved pastures (27%). And in soils plowed by tractor (Cancan) there exist an increase of 8% in one year. The Ks is greater in disturbed sites (10-83%). Moisture saturation (pF0) exceeds 80% in unchanged Andosols, with exception of Cancan (67%), what could be explained by high DA (0.86 g cm-3), plowed fields in Cancan show the lowest values of 65%, in the other altered sites it´s <80%. Agricultural activity in Buerán causes a reduction of: 13% volumetric content at pF0, 22% at pF 2.7 and 37% at pF 4.2. With exception of altered soils: Cancan and Cajas increase 19% at pF 4.2. The reduction of the total water content, among the witnesses vs disturbed sites, show significant differences (p = 0.0004) with 29%. The parameters hydro physical ACP, the first component consists of DA, negatively correlated with MO and pF-2.7, this component explains 77% of the variance. The MO has a high correlation with DA (R =- 0.71), P=0.003. The MO reduced 31% in one year, after plowing with tractor in cancan. SB increases 50% at sites where they apply fertilizers or amendments. The content of Ca is higher (50-87%). ACP for chemical variables, the component 1 explains 52% of variance and consists of: SB, Ca, negatively correlated with C, N and CIC. The second component explains 23%, corresponds to the pH, negatively correlated with Al+H. | es_ES |
dc.format | application/pdf | es_ES |
dc.language.iso | spa | es_ES |
dc.publisher | Universidad de Cuenca | es_ES |
dc.relation.ispartofseries | 050;si10635 | - |
dc.subject | Densidad Aparente | es_ES |
dc.subject | Humedad | es_ES |
dc.subject | Materia Organica | es_ES |
dc.subject | Saturacion De Bases | es_ES |
dc.title | Determinación de anomalías causadas a las propiedades físicas, químicas e hidrofísicas, en los suelos de páramo en el sur del Ecuador, ocasionadas por alteraciones antrópicas | es_ES |
dc.title.alternative | Anales de la Universidad de Cuenca | es_ES |
dc.type | Article | es_ES |
dc.ucuenca.paginacion | Páginas 123-137 | es_ES |
dc.description.city | Cuenca | es_ES |
dc.description.numberSequence | número 58 | es_ES |
Appears in Collections: | 2015 |
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