Introduction: There is a lack of joint recommendations by healthcare professionals (HCP) and patient organizations when a partnership between high and low-income countries in the field of haemophilia is planned. Aim: To draft recommendations to clarify the methodology when a partnership between low-and high-income countries is planned with the objective of a long-term implication. This methodology is to be implemented for fulfilling both medical and associative aims. Methods: Based on the available literature, a first document was written, then diffused to AFATH (Alliance Franco-Africaine pour le Traitement de l'Hémophilie) members, and after a one-day meeting and further amendments, a second draft was approved by all members before submission for publication. Results: Based on 6 years experience, several recommendations regarding the joint and separate roles of patient association and HCP for a first mission in French-speaking sub-Saharan African countries have been established. The proposed methodology for establishing preliminary contacts, the first visit and the key points for diagnostic action, medical follow-up, patient education and advocacy strategy outlines a model of partnership between patients and HCP. Conclusion: This paper written jointly by patients and physicians underlines the importance of reciprocal expert guidance and a partnership based on complementary inputs.

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Depletion of nitrogen and phosphorus in terraced hilly areas of Rwanda has lowered maize (Zea mays L.) production. Trials were carried out in 2017 and 2018 in four-year-old-terraced Lixisols and Acrisols of medium and high altitudes to determine effect of nitrogen and phosphorus fertilizer application rates on maize yields. A factorial arrangement of four levels of nitrogen (0, 60, 120 and 180 kg N ha-1) and phosphorus (0, 40, 80 and 120 kg P2O5 ha-1) in a randomized complete block design with 3 replications, was used. Results showed that combinations of 120 - 180 kg N ha-1 and 80 - 120 kg P2O5 ha-1 resulted in significantly (P less than 0.05) higher increases in plant height (45 – 60 % and 56 – 70 % over the control), stem collar diameter (63 – 74 % and 43 % over the control) and grain yields (3 times over the control; i.e. 6.40 – 6.46 t ha-1 and 6.02 - 6.12 t ha-1) in medium and high altitude sites. The optimum fertilizer rates are 176.6 kg N ha-1 and 96.2 kg P2O5 ha-1 in terraced Lixisols of medium altitude area. Land use needs to adjust fertilizer application to these optimum rates for enhanced maize yields in this area and other regions with similar agro-ecological characteristics. Further studies on integrated effects of N and P fertilizers are recommended.

The objective of the current study was to evaluate effect of terracing on soil chemical and biological properties in the Rwanda highlands. The study was done in March 2017. Composite soil samples were collected from the top, middle and bottom slopes of four-year-terraced and non-terraced lands, in three profile depths, in medium and high altitudes. Results showed that, levels of organic carbon (1.3, 1.04%) were significantly (p less than 0.05) higher in non-terraced than terraced land, and populations of bacteria (3.59, 2.61 CFU*106g-1) and fungi (2.51, 1.57 CFU*104g-1) were significantly higher in terraced than non-terraced land, in the medium altitude, with no significant differences observed in the high altitude. Soil pH, total N, available P, CEC, exchangeable K+, Mg2+ and Ca2+ levels in terraced and non-terraced lands were not significantly different in both altitudes. Thus, soil characteristics and fertility of the study areas showed slight changes after four years of terracing.