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Featured researches published by Guiyan Wang.


Journal of Development Studies | 2014

Farmer and Market Interactions in using Biotech Cotton Varieties and Seed. A Case in Northern China

Guiyan Wang; Michel Fok

Abstract This paper analyses the extent to which farmers in northern China actually benefit from market development for biotech cultivars and seeds, and how they interact with that development. It firstly appraises similarities and discrepancies observed in this development in China when compared to India, for which the experience has been more widely reported to the international community. It then examines the data obtained in Hebei Province. The results reveal strong competition with a large number of cultivars, including a substantial share of illegal cultivars, and, paradoxically, show high seed prices. In return, this competition is heightened by growers’ strategies for adapting to uncertainty when buying seeds. The future of commercial seeds and the use of biotech cultivars are at stake. Competition without some form of control and regulation could be detrimental to both growers and operators in the cultivar and seed sector and could jeopardise investment in breeding and biotechnology.


Feminist Economics | 2017

Are Women Less Capable in Managing Crops? Insights from Cotton Production in Northern China

Guiyan Wang; Michel Fok

ABSTRACT Women’s performance in agriculture matters, as women are becoming increasingly involved in agricultural production worldwide. Many studies have demonstrated that women-led farms perform less well as a result of less access to production factors, but no studies focus on how women perform without this constraint. This study fills that gap by analyzing the case of cotton cropping, which is known for its high labor requirements, high production inputs, and need for technical knowledge. Using primary data collected in northern China over the 2006–9 period, it uses the concept of “Daily Crop Management” (DCM) and identifies DCM farms managed by women whose husbands were engaged in off-farm activities on a long-term basis. The study finds that one-third of all farms were female-DCM farms, that these were smaller than those of their male counterparts but had equal access to production factors and achieved equal if not better technical and economic performances.


Économie rurale: Revue française d'économie et de sociologie rurales | 2005

Diffusion du coton genetiquement modifie en Chine: lecons sur les facteurs et les limites d'un succes

Michel Fok Ah Chuen; Weili Liang; Guiyan Wang; Yuhong Wu


ISSCRI International Conference "Rationales and evolutions of cotton policies" | 2008

Impact of Bt Cotton on the Farmer's Livelihood System in China

Guiyan Wang; Yuhong Wu; Wangsheng Gao; Michel Fok; Weili Liang


Post-Print | 2005

Differentiated management of GM diffusion in China: Further hampering the self-sufficiency in cereal production?

Michel Fok; Weili Liang; Guiyan Wang; Yuhong Wu


Archive | 2005

Analysis on the benefits from using genetically modified BT cotton varieties by small farming households

Yuhong Wu; Guiyan Wang; Zhang Jianheng; Weili Liang; Michel Fok


Colloque SFER les mutations de la famille agricole. Conséquences pour les politiques publiques, Paris, 22-23 avril 2004 | 2004

A part-time and female-managed agriculture : an orientation not sufficient to catch up the income gap in China

Weili Liang; Michel Fok; Guiyan Wang; Yuhong Wu


Crop Protection | 2017

Managing pests after 15 years of Bt cotton: Farmers' practices, performance and opinions in northern China

Guiyan Wang; Michel Fok


Archive | 2016

Evolution of Bt cotton production costs and effectiveness in Northern China over a decade

Michel Fok; Guiyan Wang


Archive | 2016

Sustainability indicators of crop production: the cotton case

Michel Fok; Weili Liang; Guiyan Wang

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Weili Liang

Agricultural University of Hebei

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Yuhong Wu

China Agricultural University

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Naiyin Xu

Nanjing Agricultural University

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Wangsheng Gao

China Agricultural University

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