关键词: 木薯, 木薯, 淀粉分支酶, 反义基因, 遗传转化

Abstract: Land reevaluation was one of important technique works of land consolidation, and its result was the important basis of land consolidation performance appraisal. The author took Fengguantun land comprehensive consolidation project as an example, integrated GIS technology, field investigation and indoor analysis, on the basis of research results for farmland grading, according to the completion of infrastructure project in the studied area, then discussed the changes of agricultural factors which affected the quality of cultivated land, then updated the factors affecting the quality of cultivated land and reevaluated the land quality. The results showed that: cultivated land quality improved significantly through agricultural land consolidation project in the three levels of nature, utilization, economy, and the effects of agricultural land consolidation were obvious. The results of land reevaluation could not only reasonably evaluate the implementation effects of land consolidation, but also provide detailed scientific basis for the cultivated land protection and implementation of cultivated land requisition-compensation balance both in quantity and in quality.