Sustainable agriculture in China : land policies, food and farming issues / Nora Sausmikat (ed.) ; published by: China-Program of the Stiftung Asienhaus ; with contributins by Jiang Yifang, Jan Urhahn, Chan Shun-hing. Rene Trappel, Eefje Aarnoudse, Lena Kuhn, Sabine Ferenschild, Evan Ellis, Sam Geall, Yiching Song, Cornelia Kirchner, Nora Sausmikat