1. 19 ឧសភា 1991 Assessing low-external-input farming techniques Bontoc rice terraces Pleasant strategies to deal with risk Africa's soils are being mined Local economies From data collection to farmer assessment Soil erosion Natural grass strips Soil fertility techniques Beans Agroforestry New approaches to...
  2. 19 ធ្នូ 1992 Erosion saves work Industrious insects Playing with family labour Fossil energy Green manures Cover crops Ecological agriculture
  3. It is difficult to rate the importance of the different soil functions, since all are vital to our well-being, to some extent. However, the function ofsupportingfood andagricultureworldwide is fundamental for the preservation and advancement of human life on this planet. Soil is also the basis...
  4. 01 មករា 2005 The objectives of this Agrodok is to emphasize the seriousness of the erosion problem, to give an insight into the causes and the course of the erosion process, by stating the factors which influence the mechanism of erosion and how these factors are linked up, to clarify the relation between...
  5. 01 មករា 1994 This guide is structured in five sections: the relationship between erosive processes and certain types of landforms and landscapes common within northern Kenya, the successive stages of water-induced soil erosion, management implications and recommendation for different stages of the soil...
  6. 01 កញ្ញា 2002 37 pages, illustrated, photos, tables Technical Bulletin no. SM CRSP 2002-01
  7. 01 មករា 1994 Papers from the November 1992 symposium identify climatic, soil, and biological parameters that control water erosion processes, and summarize current research in the field of erosion modeling for rangeland conditions. They covers topics such as predicting disposition of eroded sediments within a...
  8. This pack looks at the factors that influence soil formation, and the characteristics of soils, including their physical, hydrological, chemical and biological properties.
  9. While erosion by water and wind is the most common form of soil degradation, soil may become less productive even without being physically removed from the land. How and why soils become physically and chemically degrade is the focus of this pack. It will explore how and why soils become...
  10. Farmers in upland area throughout the world face similar problems. They generally cultivate feilds on moderately to severe sloping land with thin, easily eroded soils in areas where rainy season is short but intense.