Cultural background, gender, and institutional status have an effect on the evaluation of multi-disciplinary participatory action research.

by Frieder Graef, Stefan Sieber
Published 2018-01-01

Individual Local Farmers’ Perceptions of Environmental Change in Tanzania

by Lina Röschel, Frieder Graef, Ottfried Dietrich, Meike Pendo Schäfer, Dagmar Haase
Published 2018-04-01

How Does Changing Pesticide Usage Over Time Affect Migrating Amphibians: A Case Study on the Use of Glyphosate-Based Herbicides in German Agriculture Over 20 Years

by Gert Berger, Frieder Graef, Bernhard Pallut, Jörg Hoffmann, Carsten A. Brühl, Norman Wagner
Published 2018-02-01

Prioritizing options for multi-objective agricultural development through the Positive Deviance approach.

by Jonathan Steinke, Majuto Gaspar Mgimiloko, Frieder Graef, James Hammond, Mark T van Wijk, Jacob van Etten
Published 2019-01-01

Crop Upgrading Strategies and Modelling for Rainfed Cereals in a Semi-Arid Climate—A Review

by Festo Richard Silungwe, Frieder Graef, Sonoko Dorothea Bellingrath-Kimura, Siza Donald Tumbo, Frederick Cassian Kahimba, Marcos Alberto Lana
Published 2018-03-01

Analysis of Intra and Interseasonal Rainfall Variability and Its Effects on Pearl Millet Yield in a Semiarid Agroclimate: Significance of Scattered Fields and Tied Ridges

by Festo Richard Silungwe, Frieder Graef, Sonoko Dorothea Bellingrath-Kimura, Siza Donald Tumbo, Frederick Cassian Kahimba, Marcos Alberto Lana
Published 2019-03-01

The Management Strategies of Pearl Millet Farmers to Cope with Seasonal Rainfall Variability in a Semi-Arid Agroclimate

by Festo Richard Silungwe, Frieder Graef, Sonoko Dorothea Bellingrath-Kimura, Siza Donald Tumbo, Frederick Cassian Kahimba, Marcos Alberto Lana
Published 2019-07-01

Combining biochar with low rate of chemical fertiliser boosts maize biomass yield, regardless of tillage system, under humid conditions

by Denis Olgen Kiobia, Hannah A. Graef, Paul Reuben, Frederick Cassian Kahimba, Frieder Graef, Bettina Eichler-Löbermann, Valerian C.K. Silayo
Published 2019-11-01

Strengths and weaknesses of the Net-Map tool for participatory social network analysis in resource management: Experience from case studies conducted on four continents

by Barbara Schröter, Claudia Sattler, Frieder Graef, Cheng Chen, Estephania Delgadillo, Isabel Hackenberg, Ernestine M Halle, Anika Hirt, Andreas Kubatzki, Bettina Matzdorf
Published 2018-07-01

Data in brief on inter-row rainwater harvest and fertilizer application on yield of maize and pigeon-pea cropping systems in sub humid tropics

by Paul S. Saidia, Folkard Asch, Anthony A. Kimaro, Jorn Germer, Frederick C. Kahimba, Frieder Graef, Johnson M.R. Semoka, Cornel L. Rweyemamu
Published 2019-10-01

Modelling Rainfed Pearl Millet Yield Sensitivity to Abiotic Stresses in Semi-Arid Central Tanzania, Eastern Africa

by Festo Richard Silungwe, Frieder Graef, Sonoko Dorothea Bellingrath-Kimura, Emmanuel A Chilagane, Siza Donald Tumbo, Fredrick Cassian Kahimba, Marcos Alberto Lana
Published 2019-08-01