@ARTICLE {TIAN:1998a, title = {Effects of soil fertility and fertilizer application on biomass and chemical compositions of leguminous cover crops}, author = {Tian, G. and Kang, B. }, journal = {Nutrient Cycling in Agroecosystems}, year = {1998}, volume = {51}, number = {3}, pages = {231--238}, issn = {1385-1314}, }