Crops ›› 2019, Vol. 35 ›› Issue (6): 8-13.doi: 10.16035/j.issn.1001-7283.2019.06.002

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Spatio-Temporal Dynamic Changes of Linseed Production in China from 1985 to 2015

Sun Yue,Liu Bin,Fu Manqi,Wang Jing,Wang Xiaohui,Chen Fu   

  1. College of Agronomy and Biotechnology, China Agricultural University/Key Laboratory of Farming System, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
  • Received:2019-05-07 Revised:2019-10-11 Online:2019-12-15 Published:2019-12-11
  • Contact: Fu Chen

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Abstract:

Flax is one of the most important fiber and oil crops in China. This research was conducted to figure out the spatio-temporal dynamic changes of national planting area, production and unit yield in linseed based on the county data from 1985 to 2015. Furthermore, this article revealed the migration track of production center of linseed and the changes in contribution rate. And on the basis, we assessed the superiority of linseed production in different areas of China. The result showed that the 20% of linseed planting area and production were concentrated in the south of Yinshan and east of Liupanshan from 1985 to 2015, and the foci of planting area and production migrated to southeast for about 193km and 303km, respectively. Among all the influence factors for linseed production, the dominant one was planting area, which accounted for about 40%. Gansu Province had been a leading position in production scale, productive efficiency and comprehensive advantages in linseed. In conclusion, under influence of policy support and variety innovation, the national linseed production becomes stable, unit yield is rising and the focus of linseed cultivation shifts towards south.

Key words: Linseed, Spatio-temporal changes, County unit, Production contribution

Fig.1

Changes of linseed production in China in 1985-2015"

Fig.2

The number of county of each gradient of national flax planting area (A) and linseed yield (B) in 1985-2015"

Fig.3

The amount of each gradient changes of national flax planting area and linseed yield in 1985-2015"

Fig.4

Proportion of dominant type of linseed yield change in 1985-2015 in China"

Table 1

Distribution of counties with the advantage of linseed production in China"

年份Year 河北Hebei 山西Shanxi 内蒙古Inner Mongolia 甘肃Gansu 宁夏Ningxia 新疆Xinjiang 其他Others
综合比较优势指数Comprehensive comparative advantage index
1985 10(5) 39(10) 42(16) 55(30) 12(7) 30(21) 9(7)
1990 10(2) 40(12) 40(14) 60(39) 13(7) 47(33) 13(3)
1995 9(4) 38(8) 43(21) 61(43) 12(7) 40(28) 19(13)
2000 11(0) 39(13) 40(15) 63(45) 13(7) 31(26) 21(6)
2005 10(0) 34(6) 26(12) 63(50) 14(8) 22(21) 15(8)
2010 10(1) 36(6) 25(9) 60(49) 15(11) 20(15) 16(10)
2015 10(2) 28(3) 29(8) 56(41) 14(11) 14(8) 11(5)
规模比较优势指数Scale comparative advantage index
1985 11 39 42 55 13 30 12
1990 11 41 39 61 14 43 13
1995 11 40 41 60 11 30 20
2000 10 38 37 61 12 26 15
2005 9 38 30 61 15 21 16
2010 11 37 31 58 14 20 16
2015 11 32 31 52 13 12 11
效率比较优势指数Efficiency comparative advantage index
1985 8 24 21 45 11 50 19
1990 6 28 20 47 11 44 13
1995 7 20 27 57 13 48 26
2000 6 19 24 56 8 38 27
2005 3 13 20 61 8 31 23
2010 2 13 13 57 14 25 15
2015 3 9 14 50 13 16 12
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