论文部分内容阅读
以2000—2010年河南省统计年鉴为数据基础,对河南省作物秸秆的种类、资源分布特性及其变化规律进行了分析.结果表明,小麦秸秆、玉米秸秆是河南省主要的作物秸秆种类,其资源量比重分别达到47.30%和25.09%,累积占全省秸秆总量的72.39%,属于优势秸秆资源;其次为棉花和水稻秸秆,而油菜秸秆、芝麻秸秆比例分别为1.71%和0.83%,属小比例作物秸秆.根据各类作物秸秆资源量年度变化情况,小麦、玉米秸秆资源量逐年稳定增加,其它作物秸秆资源量则相对减少.河南省作物秸秆资源主要分布在周口市、南阳市、驻马店市、信阳市、新乡市和安阳市(河南南部和东北部),累积占到全省秸秆资源的67.82%.
Based on the Statistical Yearbook of Henan Province from 2000 to 2010, the types of straw, the distribution characteristics of resources and their changing rules were analyzed.The results showed that wheat straw and corn stalks were the main types of crop stalks in Henan Province, The share of resources reached 47.30% and 25.09%, respectively, accounting for 72.39% of the total amount of straw in the province, belonging to the superior straw resources, followed by cotton and rice straw, while the proportion of stalk and sesame straw was 1.71% and 0.83% A small proportion of crop stalks.According to the annual changes of stalks resources of all kinds of crops, the amount of stalks of wheat and corn stably increased year by year while the amount of stalks of other crops relatively decreased.The crop stalks of Henan Province were mainly distributed in Zhoukou City, Nanyang City, Zhumadian City, Xinyang City, Xinxiang City and Anyang City (southern and northeastern Henan), accounting for 67.82% of the province’s total straw resources.