TY - GEN AU - Sparks, Donald L TI - Advances in Agronomy Vol 92 T2 - 92 SN - 978-0-12-373686-4 U1 - 630.685 AGR.92 CY - California, Academic Press KW - Polyacrylamide, Nutrient Management, Rice, Water Use, Food systems, Rice fish systems ER -