湖北农业科学 ›› 2018, Vol. 57 ›› Issue (6): 103-107.doi: 10.14088/j.cnki.issn0439-8114.2018.06.026

• 农业工程 • 上一篇    下一篇

基于高分二号-NDVI的大豆遥感估产的时相选择

张淮栋, 陈争光, 张成龙   

  1. 黑龙江八一农垦大学,黑龙江 大庆 163319
  • 收稿日期:2017-11-14 出版日期:2018-03-25 发布日期:2020-01-06
  • 通讯作者: 陈争光(1972-),男,湖北武汉人,(电子信箱)495465025@qq.com
  • 作者简介:张淮栋(1989-),男,黑龙江北安人,硕士,研究方向为农业信息化,(电话)13089099118(电子信箱)1216751249@qq.com。

Time Selection of Estimation Yield with Remote Sensing of Soybean Based on GF-2-NDVI

ZHANG Huai-dong, CHEN Zheng-guang, ZHANG Cheng-long   

  1. Heilongjiang Bayi Agricultural University,Daqing 163319,Heilongjiang,China
  • Received:2017-11-14 Online:2018-03-25 Published:2020-01-06

摘要: 根据植被指数的时间变化规律以及不同时期的植被指数与产量之间的相关性,确立适用于东北地区的大豆遥感估产的最佳时期。7月下旬至8月中旬获取的作物NDVI与作物产量之间的相关性最强,并且不同时期的NDVI之间的相关性非常弱,在利用NDVI预测大豆单产时要采用7月下旬和8月中旬两个时期的NDVI。NDVI与大豆单产之间存在线性正相关关系,NDVI与大豆单产的相关性并不是很高,表明NDVI并不是惟一与大豆单产有关的变量。

关键词: 大豆, 植被指数, NDVI, 遥感, 估产

Abstract: According to the temporal variation of vegetation index and the correlation between vegetation index and yield in different periods, the best time for soybean yield estimation in Northeast China will be established. The correlation between crop NDVI and crop yield obtained from late July to mid-August was the strongest, and the correlation between NDVI in different periods was very weak. When NDVI was used to predict soybean yield, the of NDVI late July and mid-August was used. There is a linear positive correlation between NDVI and soybean yield, and the correlation between NDVI and soybean yield is not very high, indicating that NDVI is not the only variable related to soybean yield.

Key words: soybean, vegetation index, NDVI, remote sensing, estimation of yield

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