Search Results - IFFHS~

  1. Coupled Diffusion and Oxidation of Ferrous Iron in Soils. II. a Model of the Diffusion and Reaction of O*2, Fe*2+, H+ and Hco3 in Soils and a Sensitivity Analysis of the Model by Kirk, G.J.D., AHMAD, A.R., NYE, P.H.

    Published 1990
    “…The model predicts the consequent diffusion of oxygen into the column; the diffusion of ferrous iron towards the oxidation zone; the rate of formation and concentration profile of the ferric hydroxide formed; and the diffusion by acid‐base transfer of the acidity produced in the oxidation reaction.A sensitivity analysis of the model, in which runs were made for a wide range of input parameters, showed that for most combinations of parameters, in water‐saturated soil, substantial amounts of iron are transferred towards the air‐exposed surface, leading to a well‐defined zone of ferric hydroxide accumulation. …”
    Get full text
    Journal Article
  2. Excluding the marginalized? Exploring the livelihood and inequality implications of herbicide diffusion in eastern India by Mkondiwa, Maxwell, Krishna, Vijesh V., Khed, Vijayalaxmi D.

    Published 2023
    “…We hypothesize that the rapid diffusion of laborsaving agricultural technologies could result in a reduction in employment and loss of a key source of livelihood for the nonfarming rural poor, especially women from socially marginalized groups. …”
    Get full text
    Poster
  3. The diffusion of agricultural technologies within social networks: Evidence from composting in Mali by Beaman, Lori, Dillon, Andrew

    Published 2014
    “…This policy note summarizes research on the effect of social network characteristics and gender on the diffusion of information about an agricultural technology.…”
    Get full text
    Brief
  4. Gérer un service de diffusion sélective de l'information agricole by Technical Centre for Agricultural and Rural Cooperation

    Published 1996
    “…En collaboration avec l'Association pour le développement de la riziculture en Afrique de l'Ouest (ADRAO), le CTA a organisé un cours destiné aupersonnel chargé de la diffusion sélective de l'information agricole (DSI) au sein d'institutions de...…”
    Get full text
    News Item

Search Tools: