SURFACE MODIFICATION OF POPLAR VENEER AND ITS BONDABILITY Effect of ridging and fertilization on soil redox in cold waterlogged paddy fields Effects of Ridging on Soil and Above-ground Biomass in Heavy Alkali-saline Grasslands of West Songnen Plain,China Cloning and Characterization of a MBF1 Transcriptional Coactivator Factor in Wheat Induced by Stripe Rust Pathogen Effects of ridging cultivation on the growth  of Fuji apple trees and the utilization and distribution of 15N-urea under excessive irrigation