Ola Tveitereid Westengen

Mekelle University

19H指数

54论文数

1.3K被引数

收录论文 22

发表时间

Farmers as breeders and seed producers: Insights from 30 years of scaling up seed clubs in Vietnam 农民作为育种者和种子生产者：来自越南30年来推广种子俱乐部的见解

Outlook on Agriculture

IF2.6

2026-02-16

OAAI

Loi Huu Nguyen; Sarah Paule Dalle; Shivali Sharma; Benjamin Kilian; Teshome Hunduma Mulesa; Tin Huynh Quang; Ola Tveitereid Westengen

Seeds and social norms: sorghum seed exchange among smallholder farmers in Northern Ethiopia 种子与社会规范：埃塞俄比亚北部小农户高粱种子交换

Ecology and Society

IF3.2

2026-01-01

PREAI

Wendmu, Tsedal Asres; de Boer, Hugo J.; Makate, Clifton; Westengen, Ola

Contribution of Community Seed Banks to farmer seed systems and food security in Northern and Central Malawi 社区种子银行对马拉维北部和中部地区农民种子系统及粮食安全的贡献

FOOD POLICY

IF6

2025-04-01

OAAI

Tione, Grace; Westengen, Ola Tveitereid; Holden, Stein Terje; Katengeza, Samson P.; Makate, Clifton

Smallholder access to purchased seeds in the presence of pervasive market imperfections and rainfall shocks: panel data evidence from Malawi and Ethiopia 在普遍存在的市场缺陷和降雨冲击的情况下，小农获得购买的种子: 来自马拉维和埃塞俄比亚的面板数据证据

AGRICULTURAL AND FOOD ECONOMICS

IF4.5

2024-09-04

OAAI

Makate, Clifton; Angelsen, Arild; Holden, Stein Terje; Westengen, Ola Tveitereid

Co-conserving Indigenous and local knowledge systems with seeds

TRENDS IN PLANT SCIENCE

IF20.8

2023-12-01

OAAI

Teixidor-Toneu, Irene; Westengen, Ola; Ulian, Tiziana; McMillion, Andrew; Lorimer, Matthias; Grace, Olwen; Caillon, Sophie; Shrestha, Pitambar; Kool, Anneleen

Nutritional and Antinutritional Potentials of Sorghum: A Comparative Study among Different Sorghum Landraces of Tigray, Northern Ethiopia

AGRICULTURE-BASEL

IF3.6

2023-09-04

OAAI

Semere, Tesfakiros; Tsehaye, Yemane; Tareke, Lijalem; Westengen, Ola T.; Fjellheim, Siri

Measuring the end of hunger: Knowledge politics in the selection of SDG food security indicators

AGRICULTURE AND HUMAN VALUES

IF3.6

2023-04-12

OAAI

Iversen, Thor Olav; Westengen, Ola; Jerven, Morten

Navigating toward resilient and inclusive seed systems

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

IF9.1

2023-03-27

OAAI

Westengen, Ola T.; Dalle, Sarah Paule; Mulesa, Teshome Hunduma

Evolution of farm-level crop diversification and response to rainfall shocks in smallholder farming: Evidence from Malawi and Tanzania

ECOLOGICAL ECONOMICS

IF6.3

2023-03-01

OAAI

Makate, Clifton; Angelsen, Arild; Holden, Stein Terje; Westengen, Ola Tveitereid

Rainfall shocks and inequality have heterogeneous effects on farmers' seed purchase decisions in East Africa

CLIMATE RISK MANAGEMENT

IF5

2023-01-01

OAAI

Makate, Clifton; Angelsen, Arild; Holden, Stein Terje; Westengen, Ola Tveitereid

Crops in crises: Shocks shape smallholders? diversification in rural Ethiopia

WORLD DEVELOPMENT

IF4.8

2022-11-01

OAAI

Makate, Clifton; Angelsen, Arild; Holden, Stein Terje; Westengen, Ola Tveitereid

Exchange and experimentation: community seed banks strengthen farmers' seed systems in Northern Malawi

INTERNATIONAL JOURNAL OF AGRICULTURAL SUSTAINABILITY

IF2.9

2022-10-06

PREAI

Vansant, Emilie C.; Bezner Kerr, Rachel; Sorensen, Helle; Phiri, Isaiah; Westengen, Ola T.

Whose demand? The co-construction of markets, demand and gender in development-oriented crop breeding

AGRICULTURE AND HUMAN VALUES

IF3.6

2022-07-27

OAAI

Tarjem, Ida Arff; Westengen, Ola Tveitereid; Wisborg, Poul; Glaab, Katharina

Taking measure of an escape crop: Cassava relationality in a contemporary quilombo-remnant community

GEOFORUM

IF3.1

2022-03-01

OAAI

Roman, Gabriel Graton; Westengen, Ola T.

The political ecology of crops: From seed to state and capital

GEOFORUM

IF3.1

2022-03-01

OAAI

Fischer, Klara; Jakobsen, Jostein; Westengen, Ola T.

Farmers' Rights and Digital Sequence Information: Crisis or Opportunity to Reclaim Stewardship Over Agrobiodiversity?

FRONTIERS IN PLANT SCIENCE

IF4.8

2021-08-13

OAAI

Wynberg, Rachel; Andersen, Regine; Laird, Sarah; Kusena, Kudzai; Prip, Christian; Westengen, Ola Tveitereid

Pluralistic Seed System Development: A Path to Seed Security?多元化种子系统发展: 种子安全之路？

AGRONOMY-BASEL

IF3.4

2021-02-20

OAAI

Mulesa, Teshome Hunduma; Dalle, Sarah Paule; Makate, Clifton; Haug, Ruth; Westengen, Ola Tveitereid

Safeguarding a global seed heritage from Syria to Svalbard

NATURE PLANTS

IF13.6

2020-11-09

PREAI

Westengen, Ola T.; Lusty, Charlotte; Yazbek, Mariana; Amri, Ahmed; Asdal, Asmund

Governing Seeds in East Africa in the Face of Climate Change: Assessing Political and Social Outcomes

FRONTIERS IN SUSTAINABLE FOOD SYSTEMS

IF3.1

2019-07-24

OAAI

Westengen, Ola Tveitereid; Haug, Ruth; Guthiga, Paul; Macharia, Eric

Access to genes: linkages between genebanks and farmers' seed systems

FOOD SECURITY

IF6.2

2018-02-03

PREAI

Westengen, Ola Tveitereid; Skarbo, Kristine; Mulesa, Teshome Hunduma; Berg, Trygve

研究方向