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Tag Archives: planting material

Exploring the yield gap of orange-fleshed sweet potato varieties on smallholder farmers fields in Malawi

Author: Daniel van Vugt, A. C. Franke Contributors: Administrator December 02, 2017

Orange-fleshed sweet potato (OFSP) can contribute to combating vitamin A deficiency and establishing more resilient cropping systems in sub-Saharan Africa. There is limited understanding of the factors that affect yield and quality of OFSP on smallholder farmers’ fields. This study aimed to assess the performance of six OFSP varieties, identify …
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  • Pages: 12

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BATATA DOCE material de plantio SISTEMA TRIPLO S

Author: International Potato Center (CIP), Natural Resources Institute (NRI) et al. Contributors: Administrator 2016

The following brochure illustrates how to use the Triple S system for conservation of sweetpotato planting material. It is written in Portuguese, but is also available in English.
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  • Pages: 2

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Sweetpotato Seed Systems in Uganda, Tanzania, and Rwanda

Author: Sam Namanda, [49] et al. Contributors: Administrator, Richard Gibson 2011

Surveys were made of the seed systems used in Uganda, Tanzania, and Rwanda and to investigate the reasons underlying them. Along the equator in Uganda, where rainy seasons are evenly spaced and occur twice a year, vine cuttings from mature plants only are used as planting material. Where there is a …
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Growing orange-fleshed sweetpotato for a healthy diet: A supplementary learners’ resource book for upper primary schools

Author: Regina Kapinga, Patience Byaruhanga et al. 2009

This learning resource about orange-fleshed sweetpotato for pupils in upper primary schools (primary levels 5–7) was designed to supplement the teaching of topics in the agriculture, integrated science and related curricula. It is not a pupil’s book in the real sense, but rather an innovative invitation by the teachers for …
  • Size: 4.2 MB
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  • Pages: 146

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Farmers’ information on sweet potato production and millipede infestation in north-eastern Uganda. I. Associations between spatial and temporal crop diversity and the level of pest infestation

Author: E. Ebregt, P.C. Struik et al. Contributors: Administrator, Richard Gibson 2004

Farmers in five districts of north-eastern Uganda were interviewed to generate information on sweet potato production and constraints, with emphasis on damage by millipedes. Participatory rural appraisal methodology was used to interview 148 farmers. The peak period of planting sweet potato was from the end of May till the beginning …
  • Size: 1.2 MB
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  • Pages: 22

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Farmers' information on sweet potato production and millipede infestation in north-eastern Uganda. I. Associations between spatial and temporal crop diversity and the level of pest infestation

Author: E. Ebregt, P.C. Struik et al. Contributors: Administrator, Richard Gibson 2004

Farmers in five districts of north-eastern Uganda were interviewed to generate information on sweet potato production and constraints, with emphasis on damage by millipedes. Participatory rural appraisal methodology was used to interview 148 farmers. The peak period of planting sweet potato was from the end of May till the beginning …
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