Abstract
A large proportion of the cultivated land in China has been used for non-grain production purposes. As food insecurity is worsening worldwide, this issue has attracted attention from the Chinese government. In order to curb this trend and to ensure food security, this paper explores the quantitative characteristics and spatial distribution of cultivated land used for non-grain purposes in Liyang City, Jiangsu Province, and discusses the clustering characteristics and mechanisms behind this based on spatial autocorrelation analysis and geographically weighted regression (GWR). The results show that most of the cultivated land in Liyang City has not been used for non-grain purposes, and the cultivated land reserve is abundant. Among all land types, irrigable land has the largest non-grain production rate of cultivated land. There is no significant spatial correlation of cultivated land for non-grain purposes in most towns in Liyang, among which Kunlun Street is in the High-High (HH) zone and Daibu Town in the Low-High (LH) zone. It is also found that the same factor has various impacts on the non-grain production of cultivated land in different towns, and the number of enterprises is the core factor that leads to the non-grain use of cultivated land in Liyang city. Low food prices lead some farmers to plant other crops with higher economic benefits, and also lead to the outflow of the rural labor force. This will not only accelerate the non-grain production of cultivated land, but also cause a large amount of cultivated land to be in a state of unmanned cultivation, further aggravating the proportion of non-grain production in cultivated land.
Highlights
The COVID-19 pandemic is exacerbating the concern for global food security
The COVID-19 pandemic indirectly triggered the problem of food security and exacerbated the hunger situation in some countries
With reference to existing research results [29,44], based on the actual conditions of Liyang, as well as data availability and validity, this paper explores the mechanisms behind the non-grain production of cultivated land using 10 independent variables, which cover sector, agricultural, industrial, and transportation factors
Summary
The COVID-19 pandemic is exacerbating the concern for global food security. InOctober 2021, the United Nations World Food Program and the Food and AgricultureOrganization issued a document stating that the world faces “unprecedented and catastrophic” food insecurity. The COVID-19 pandemic is exacerbating the concern for global food security. In. October 2021, the United Nations World Food Program and the Food and Agriculture. Organization issued a document stating that the world faces “unprecedented and catastrophic” food insecurity. The national treasury of global food production has increased significantly, which has a certain inhibitory effect on the rise of food prices, it is still not enough to provide absolute security. The COVID-19 pandemic indirectly triggered the problem of food security and exacerbated the hunger situation in some countries. Twenty-five countries around the world are at serious risk of hunger, and the number of people who are food insecure has increased to 270 million. Food security has always attracted a large amount of attention from the Chinese government.
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