Year Published
- 2008 (0)
- 2009 (2) Apply 2009 filter
- 2010 (1) Apply 2010 filter
- 2011 (0)
- (-) Remove 2012 filter 2012
- 2013 (1) Apply 2013 filter
- 2014 (0)
- (-) Remove 2015 filter 2015
- (-) Remove 2016 filter 2016
- 2017 (3) Apply 2017 filter
- 2018 (0)
- 2019 (1) Apply 2019 filter
- 2020 (0)
- 2021 (0)
Research Topics
Populations
- Countries/Governments (0)
- Rural Populations (0)
- (-) Remove Smallholder Farmers filter Smallholder Farmers
- Women (2) Apply Women filter
Types of Research
- Data Analysis (0)
- Literature Review (1) Apply Literature Review filter
- Portfolio Review (0)
- Research Brief (0)
Geography
- (-) Remove East Africa Region and Selected Countries filter East Africa Region and Selected Countries
- Global (0)
- (-) Remove South Asia Region and Selected Countries filter South Asia Region and Selected Countries
- (-) Remove Southern Africa Region and Selected Countries filter Southern Africa Region and Selected Countries
- Sub-Saharan Africa (1) Apply Sub-Saharan Africa filter
- (-) Remove West Africa Region and Selected Countries filter West Africa Region and Selected Countries
Dataset
- ASTI (0)
- FAOSTAT (0)
- Farmer First (0)
- LSMS & LSMS-ISA (0)
- Other Datasets (0)
Current search
- (-) Remove East Africa Region and Selected Countries filter East Africa Region and Selected Countries
- (-) Remove Household Well-Being & Equity filter Household Well-Being & Equity
- (-) Remove Labor & Time Use filter Labor & Time Use
- (-) Remove Technology filter Technology
- (-) Remove West Africa Region and Selected Countries filter West Africa Region and Selected Countries
- (-) Remove South Asia Region and Selected Countries filter South Asia Region and Selected Countries
- (-) Remove Global & Regional Public Goods filter Global & Regional Public Goods
- (-) Remove 2016 filter 2016
- (-) Remove 2012 filter 2012
- (-) Remove Southern Africa Region and Selected Countries filter Southern Africa Region and Selected Countries
- (-) Remove Market & Value Chain Analysis filter Market & Value Chain Analysis
- (-) Remove 2015 filter 2015
- (-) Remove Smallholder Farmers filter Smallholder Farmers
EPAR Research Brief #312
Publication Date: 07/30/2015
Type: Literature Review
Abstract
This brief reviews the evidence of realized yield gains by smallholder farmers attributable to the use of high-quality seed and/or improved seed varieties. Our analysis suggests that in most cases, use of improved varieties and/or quality seed is associated with modest yield increases. In the sample of 395 trials reviewed, positive yield changes accompanied the use of improved variety or quality seed, on average, in 10 out of 12 crops, with rice and cassava as the two exceptions.