TY - J Integr Plant Biol A1 - Zhi-You YUAN, Ling-Hao LI, Jian-Hui HUANG, Xing-Guo HAN,Shi-Qiang WAN T1 - Effect of Nitrogen Supply on the Nitrogen Use Efficiency of an Annual Herb, Helianthus annuus L. Y1 - JF - Journal of Integrative Plant Biology JO - J Integr Plant Biol SP - 539 EP - 548 VL - 47 IS - 5 UR - https://www.jipb.net N1 - 10.1111/j.1744-7909.2005.00006.x ER -