Principal activities: -Using remote sensing and GIS images combine the investigation fieldwork process analysis reviews the current state of and changes in ground water rice terraces in the Northwest region.-Evaluating the management of the land using terraces, the research.-Census judged production situation, investigate the votes of land use efficiency rice terraces in the area.-Investigate the field soil sampling, analysing the norms systematisation of the land to assess environmental quality ground rice terraces as a basis for proposing measures to improve utilization.-Reviews, building a map of land suitability classification study area.-Study suggested the solution to strengthen the management and sustainable use of land for rice cultivation in the North West.-Research models in Lao Cai province
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