耕地质量地球化学综合等级划分研究——以贵阳市南明区为例

孔令博; 吴杰; 李发跃

孔令博,吴杰,李发跃.耕地质量地球化学综合等级划分研究——以贵阳市南明区为例[J].贵州地质,2020,37(4):430-438

耕地质量地球化学综合等级划分研究——以贵阳市南明区为例

Study on Geochemical Comprehensive Classification of Cultivated Land Quality——Taking Naming District of Guiyang City as an Example

投稿时间：2020-04-26

DOI：

中文关键词: 耕地质量地球化学综合等级南明区

英文关键词:Cultivated land quality Geochemistry Comprehensive grade Nanming district

基金项目:贵州省耕地质量地球化学调查评价。

作者	单位
孔令博	贵州省煤田地质局水源队，贵州贵阳550000
吴杰	贵州省煤田地质局水源队，贵州贵阳550000
李发跃	贵州省煤田地质局水源队，贵州贵阳550000

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中文摘要:

本文根据贵阳市南明区耕地质量地球化学调查评价结果，对南明区耕地质量地球化学进行综合等级划分研究。研究区行政面积20934 km2，耕地调查评价面积为3882 km2，调查评价区主要为南明区的永乐乡和小碧乡大部分区域，云关乡有少部分。耕地质量地球化学综合等级划分结果表明，南明区地球化学等级为一等的优质耕地面积为082万亩，所占比例为1413%，二等良好耕地面积为106万亩，所占比例为1814%，三等耕地面积为393万亩，所占比例为6755%，四等耕地面积为001万亩，所占比例为017%，五等耕地面积占比为0%。全区耕地质量以中等以上为主，其中优质的耕地主要分布在小碧乡境内的小碧村、甘庄村和大地村，其次是在永乐乡水塘村、干井坡村和永乐村区域附近；耕地质量差等及以下等级的耕地占比极少。南明区属于一个城乡结合的县区，人多地少。农业部门可根据研究成果结合本地特色农作物进行农业种植发展规划，调整和优化农业种植结构，趋利避害、科学合理地利用耕地助力绿色经济的发展。

英文摘要:

Based on the results of the survey and evaluation of cultivated land quality geochemistry in Nanming District, Guiyang, it studied the comprehensive classification of cultivated land quality geochemistry in Nanming District. The results show that the level of nanming geochemical for first-class quality of cultivated land area of 8 200 mu, the proportion is 14.13%, the second good cultivated land area of 10 500 mu, the proportion is 18.14%, the third class of cultivated land area of 39 300 mu, the proportion is 67.55%, four etc. The cultivated land area of 100 mu, the proportion is 0.17%, such as five geochemical arable land for proportion is zero. The administrative area of the whole district is 209.34 km2, and the cultivated land area is 38.82 km2, mainly covering most areas of Yongle township and Xiaobi township, and a small part of Yunguan township. According to the comprehensive classification of cultivated land geochemical quality, the cultivated land geochemical quality in Nanming district is mainly above the medium level, and the superior cultivated land is mainly distributed in Xiaobi township, followed by Shuitang village and Ganjingpo village in Yongle township. Nanming District belongs to a county district which combines urban and rural areas, with more people and less land. According to the research results, the agricultural departments can combine the types of local characteristic crops and the development plan of agricultural planting, so as to make the best use of cultivated land and avoid disadvantages.

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