In historical period,rice cultivation in northern China experienced the vicissitude relapse process with the changing environment.The Shang Dynasty was at the end of the mid-Holocene warm period.With moist background,it had the rice planting conditions in the northem area.There are varieties of opinions on the explanation of the word "rice" on the Carapace-bone-script.Through the analysis of glyph characteristics,the statement of" is rice" can be made further demonstrated.Rice cultivation in the north area of the Shang Dynasty has been confirmed in historical documents and archaeological excavations.The water conservancy of the rice planting can be developed in the wet fields.The comprehensive analysis of the environmental conditions can help us to know the development of the rice cultivation and water conservancy in the Shang Dynasty.
