粤西南丘陵山区耕地占补平衡中的质量与产能变化研究

为对粤西南丘陵山地区耕地占补平衡中的质量与产能情况进行研究,以化州市作为研究区域,采用农用地分等的相关技术方法,研究了近年来化州市耕地的数量与质量和产能的状况.结果显示,化州市2003-2011年耕地总体质量有所提升,平均自然质量有0.21个等别的提升,利用等质量有0.18个等别的提升,经济等质量提升了0.33个等别.耕地总面积净增了1069.86hm2,在保证耕地占补平衡的过程中,充分完成了耕地总面积不减少的任务,并且耕地的总产能增加了4.08万t,为保障化州乃至全省的粮食安全做出了贡献.

Study of arable land quality and productivity of the cultivated balance land in Hilly and Mountainous Region of Southwestern Guangdong

In order to study the arable land quality and productivity of the cultivated balanced land in the hilly and mountainous area of southwestern Guangdong, land quantity/quality and capacity were in survey research, which was changed in recent years in Huazhou. The results showed that, arable overall quality has improved between 2003 and 2011 in Huazhou, the average natural quality classification improved 0.21, utilization quality classification improved 0.18, the economic quality classification improved 0.33. The net increase of the total area of cultivated land was 1 069.86 hectares, in the process of ensuring the balance of arable land, the total area of cultivated land does not reduce. And the total production capacity of arable land increased 40,800 tons. It has contributed to Huazhou ''s food security, even to the all province''s.