On the causes of mite pest outbreaks in mono- and poly-cultured moso bamboo forests The impacts of global climatic change on chilling damage distributions of maize in Northeast China Determining rapeseed tolerance to waterlogging at seedling stage in the Yangtze River basin Effects of eight host plant species on the fitness and population dynamics of Didesmococcus koreanus Borchs On the Distribution Pattern of Weed Communities of Summer Crop Fields in River valley and Hilly Lands of Anhui Province Monitoring and Predicting of Maize Chilling Damage Based on Crop Growth Model in Northeast China STUDY ON THE INJURY EQUIVALENT AND COMPOUND ACTION THRESHOLD OF RAPE APHIDS