Resources Science ›› 2018, Vol. 40 ›› Issue (9): 1752-1761.doi: 10.18402/resci.2018.09.06

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The difference of crop diversity between migrant professional farmers and local peasant households and its influencing factors

Menglu YAN(), Taiyang ZHONG()   

  1. School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China
  • Received:2017-10-08 Revised:2018-08-22 Online:2018-09-20 Published:2018-09-14

Abstract:

Crop diversity is an effective strategy for traditional small-peasant to cope with the impact of agricultural risks. The transition of agriculture driven by migrant professional farmers may be different from local peasant households’crop diversity. The purpose of this study aims to investigate the difference of crop diversity between migrant professional farmers and local peasant households and its influencing factors at farm household level. Based on survey data from 393 farmers’crop diversity in Nanjing City, Jiangsu Province in 2015, we established a Poisson regression model. Different from the previous studies, the current investigation was carried out at farmer level, the farmer is not only the household head but also the family member in charge of agricultural production. Furthermore, the crop diversity was valued more directly by crop kinds instead of diversity index. The result shows that several factors affected farm households’ crop diversity. First of all, compared with the local peasant households, the crop diversity of migrant professional farmers is 17% less than that of local peasant households. Moreover, crop acreage has a significant effect on crop diversity, crop diversity decreases approximately 2.7% with an increase of 1 hm2 of crop acreage. Besides, the age of farmers who are in charge of agricultural production, the agriculture land plot quantities of farmers who own, and the distance from peasants residence to the main city zone also have significant effects on crop diversity. Holding all other variables constant, the expected number of crop diversity increases by about 0.9% with an increase of the age of farmers, the expected number of crop diversity increases approximately 4.6% with an increase of 1 plot of agriculture land; the expected number of crop diversity increases approximately 0.8% with an increase of 1 km from peasants residence to the main city zone.

Key words: land economics, migrant professional farmers, Poisson regression model, crop diversity