Effects of Fertilization on Porewater Nutrients, Greenhouse-gas Emissions and Rice Productivity in a Subtropical Paddy Field - Wang, Weiqi (Fujian Normal University. Institute of Geography) ; Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Wang, Chun (Fujian Normal University. Institute of Geography) ; Tong, Chuan (Fujian Normal University. Institute of Geography) ; Ji, Qinyang (Fujian Normal University. Institute of Geography) ; Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Universitat Autònoma de Barcelona