Erosion in Andean Hillside Farming
- Titel ist leider vergriffen;
keine Neuauflage - Artikel merken
The problem of water induced soil erosion in the subhumid tropics has gained increasing public attention in recent years. In order to avoid the destruction of agricultural land it is necessary to develop cultivation systems allowing a sustainable agricultural utilization of endangered areas. This goal required knowledge of the causes and the processes of soil erosion in the tropics. The best known model to estimate soil loss by water erosion is the Universal Soil Loss Equation (USLE) which was developed by Wischmeier and Smith (1987). The research reported here aims to collect basic information on the characteristics of erosion processes in a defined area of the Andean zone of Colombia. This should allow readers to make conclusions about the applicability of the USLE. Furthermore, conventional and improved cassava cropping systems adapted to local smallholder conditions were to be tested to obtain knowledge based on the influence of management practices on erosion processes. To this end, erosion trials were established on slopes with a gradiant of 7-20% at two locations in Southern Colombia.
The trials were started in the beginning of 1987 and continued during two growing seasons until the beginning of 1989. The trials were established with three repetitions in Santander de Quilichao and with two repetitions in Mondomo.
Part 1 Known causes of rainfall erosion and definition of the problems: causes and characteristics of rainfall erosion in the tropics - the erosivity of the climate, soil erodibility, relief, land use, measures of erosion control; the problem of soil erosion in Colombia; research objectives and hypothesis. Part 2 Material and methods: location and ecological condition of the study area - climate and vegetation, geology, geomorphology, soils, landuse systems; layout of field experiments and treatments; observations, measurements and data collection - precipitation and other climatic factors, soil and runoff, agronomic practices and measurements; application of the Universal Soil Loss Equation (method of Wischmeier and Smith). Part 3 Results and discussion: processes of soil erosion in selected cropping systems with cassava - sopils of the study area, soil loss and cropping system, changes of selected physical and chemical soil properties during the test period, losses of organic matter and nutrients, yields of traditional and improved cassava cropping systems; applicability of the Universal Soil Loss Equation under the conditions of the study area.
| Reihe/Serie | Hohenheim Tropical Agricultural Series ; 1 |
|---|---|
| Zusatzinfo | mehrere Abb. |
| Verlagsort | Weikersheim |
| Sprache | deutsch |
| Maße | 145 x 205 mm |
| Einbandart | Paperback |
| Themenwelt | Naturwissenschaften ► Geowissenschaften ► Geologie |
| Weitere Fachgebiete ► Land- / Forstwirtschaft / Fischerei | |
| ISBN-10 | 3-8236-1211-5 / 3823612115 |
| ISBN-13 | 978-3-8236-1211-7 / 9783823612117 |
| Zustand | Neuware |
| Informationen gemäß Produktsicherheitsverordnung (GPSR) | |
| Haben Sie eine Frage zum Produkt? |
