Analysis of Corn Planting Area and Output Change in Liaoning Area
Taking corn planting in Liaoning province as the research object,the temporal and spatial changes of corn planting area,output and unit output during 2013-2022 were comprehensively analyzed.The results showed that:From 2013 to 2016,the corn planting area in Liaoning Province fluctuated greatly,and began to stabilize after 2017,fluctuating at about 2.7 million hm2;Among them,the corn planting area in western Liaoning was the largest,and the corn planting area in eastern Liaoning was the smallest;The proportion of corn planting area to grain crops fluctuated from 76.3%to 81.1%;The lowest corn output was in 2014(13.858 million tons),and the highest was in 2021(20.084 million tons);The highest corn unit output was in 2021(491.5 kg/667 m2);The corn unit output was the highest in northern Liaoning province.
NETL
NSTL
万方数据
