期刊
AGRICULTURE-BASEL
卷 11, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/agriculture11040336
关键词
agroecosystems; agricultural economics; crop heterogeneity; environmentally friendly agriculture; land-sharing vs; land-sparing; questionnaire; rice farming; risk aversion; small-holder agriculture; sustainable agriculture
类别
资金
- National Natural Sciences Foundation of China [72063002]
- Guangxi University
Encouraging crop diversity can benefit both farmers and biodiversity conservation, but further research is needed to understand the factors influencing the decision to plant multiple crops and how it impacts profit. In an agricultural area near Nanning, Guangxi in South China, crop diversity increased with land size and closeness to the city, with more profitable farmers having greater crop diversity and land, driven by lucrative but rarely planted crop types. Future policies should focus on promoting crop diversity to improve farmers' livelihoods, particularly in areas closer to protected areas with higher biodiversity.
Encouraging crop diversity could be a win-win for farmers and biodiversity conservation, if having a variety of crops produces the heterogeneity that supports biodiversity, and if multiple crops decrease the risk of farmers to losses due to pests, climatic events or market fluctuations, without strongly reducing their incomes. However, data on the factors that influence the decision to plant multiple crops, and how that affects profit, are needed, especially for East Asia, where these questions have been little studied. We distributed a questionnaire on these issues to 301 farmers in 35 villages in an agricultural area close to the city of Nanning in Guangxi, south China. Crop diversity increased with land size and closeness to the city. We detected no relationship between profit variability and crop diversity, but farmers with greater crop diversity and more land were more profitable, a result driven by several rarely planted but lucrative types of crops. Crop diversity can be a focus for policy to improve farmers' livelihoods; these policies need to encourage farmers with little land to form cooperatives. Further research is needed to understand the effect of crop diversity on profit variability, and in areas closer to protected areas where biodiversity is higher.
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