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Pesticides infos [1] por Technical Centre for Agricultural and Rural Cooperation

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Pesticides infos [2] por Technical Centre for Agricultural and Rural Cooperation

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Pesticides infos [3] por Technical Centre for Agricultural and Rural Cooperation

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Pesticides infos [4] por Technical Centre for Agricultural and Rural Cooperation

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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 por Kirk, G.J.D., AHMAD, A.R., NYE, P.H.

“…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. …”
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Rethinking Adoption and Diffusion as a Collective Social Process: Towards an Interactional Perspective por Leeuwis, Cees, Aarts, N.

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Application of the Net-Map tool to the diffusion of small-scale irrigation in Ghana and Ethiopia por CGIAR Research Program on Water, Land and Ecosystems

Materias: “…diffusion…”
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Excluding the marginalized? Exploring the livelihood and inequality implications of herbicide diffusion in eastern India por Mkondiwa, Maxwell, Krishna, Vijesh V., Khed, Vijayalaxmi D.

“…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. …”
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Foreign direct investment and knowledge diffusion in poor locations: Evidence from Ethiopia por Abebe, Girum, McMillan, Margaret S., Serafinelli, Michel

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Private sector incentives and the diffusion of agricultural technology: Evidence from developing countries por Spielman, David J., Ma, Xingliang

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The rapid diffusion of herbicides in farming in India: Patterns, determinants, and effects on labor productivity por Gupta, Sunipa Das, Minten, Bart, Rao, N. Chandrasekhara, Reardon, Thomas

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Intellectual property rights, technology diffusion, and agricultural development: Cross-country evidence por Spielman, David J., Ma, Xingliang

Materias: “…diffusion of information…”
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The diffusion of agricultural technologies within social networks: Evidence from composting in Mali por Beaman, Lori, Dillon, Andrew

“…This policy note summarizes research on the effect of social network characteristics and gender on the diffusion of information about an agricultural technology.…”
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Digital literacy training to promote diffusion of digital agricultural tools to smallholder farmers por Abdelaziz, Fatma, Abay, Kibrom A.

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Private sector incentives and the diffusion of agricultural technology: Evidence from developing countries por Spielman, David J., Ma, Xingliang

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Diffusion and Adoption of Semidwarf Rice Cultivars As Parents in Asian Rice Breeding Programs por Hargrove, Thomas R.

Materias: “…diffusion…”
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Development and Diffusion of Dryland Cereals in Semi-Arid Tropics of India – Role of Partnerships por Charyulu, D. Kumara, Singh, Naveen P., Shyam, D. Moses, Bantilan, Cynthia

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Crowdsourcing initiatives and the diffusion of information: Experimental evidence from livestock keepers in Kenya por Shikuku, Kelvin Mashisia, Lepariyo, Watson Saewua, Baraza, Meshack, Ochenje, Ibrahim

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Améliorer la diffusion de l'IST dans les pays ACP por Technical Centre for Agricultural and Rural Cooperation

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Gérer un service de diffusion sélective de l'information agricole por Technical Centre for Agricultural and Rural Cooperation

“…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...…”
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