Journal of Agricultural Big Data ›› 2023, Vol. 5 ›› Issue (2): 44-53.doi: 10.19788/j.issn.2096-6369.230207

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Study on the Change of Soybean Planting Structure in Heilongjiang Province Under the Background of Soybean Revitalization Plan at County Level

XIN Rui(), LU ZhongJun*(), FU Bin, WANG Ting, HUANG Nan, LIU KeBao, LIU YanXia   

  1. Institute of Agricultural Remote Sensing and Information, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China
  • Received:2023-03-23 Online:2023-06-26 Published:2023-08-15
  • Contact: LU ZhongJun

Abstract:

Heilongjiang Province is an important base of soybean production in China. The study on the soybean planting structure and dynamic changes in the Heilongjiang Province can provides a reference for optimizing the production mode, adjusting the production layout and accelerating the reform of agricultural supply structure. Based on Sentinel-2 satellite and RS and GIS technology, this paper extracted soybean spatial distribution information in Hailun City, Heilongjiang Province in 2018, 2019 and 2020, then analyzed the dynamic change of soybean planting structure and recropping. The results show: 1) In the first year of the implementation of the Soybean Revitalization Plan in 2019, the soybean planting area in Hailun City increased significantly, with a change rate of 53.07%; In 2020, soybean planting area decreased slightly, but the total amount increased by 30.46% compared with that in 2018. 2) The soybean continuous cropping rate in 2019 and 2020 was high, with the rate higher in 2020 than that in 2019, and higher in the west of Hailun than in the east. From 2018 to 2020, the rate of soybean crop for three consecutive years was higher in Hailun City as a whole. The rate of soybean continuous cropping every other year in Hailun City was on the low side. Since the implementation of the Soybean Revitalization Plan, the soybean planting area increased significantly, yet resulting in high rate of continuous cropping and low rate of continuous cropping every other year.

Key words: soybean revitalization plan, planting area, changing trend