Based on field investigations and indoor identification,65 arthropod species were found in cold rice fields,which belonged to 49 families in 10 orders of 2 classes.

The incidence of advancing rice heading stage in cold region was analysed .

Grap the cold-field paddyfield`s characteristic and preponderant colony have the directive sense to constitute father`s precept of weed, choose chemic weed scientific and its measure.

Some knowledge of the paddy wetland environment from the middle and lower reaches of the Yangtze River;

Effects of nitrogen and irrigation on rice in cold area of Northeastern China;