Effects of paclobutrazol and PVA on drought resistance of perennial ryegrass seedlings under light drought stress;

Study on community photosynthetic and other ecological physiology characteristics of white clover,perennial ryegrass and orchardgrass;

Effect of several soil amendments on the growth characteristics of perennial ryegrass in the riverside of Yellow River;

Study on PCR detection of Tilletia controversa on Lolium perenne;

Effects of heat acclimation on high-temperature stress resistance and heattolerance mechanism of Festuca arundinacea and Lolium perenne;

Effect of Cryopreservation on Seed quality of Lolium perenne and Onobrychis viciaefoli;

Treatment efficiency of different nitrogen-rich wastewater using Lolium perenne L. cultured by nutrient film technique;

Effects of Stress from Eutrophicated Wastewater on Lolium perenne L;

Efficiency of Biofiltration System of Lolium perenne L. and Analysis of Nitrogen Dynamics;

The relative competitive ability of perennial Lolium perenne and the invasive alien weed,Eupatorium adenophorum(Compositae)at different nitrogen and phosphorus levels in the seedling stage;