SONG Ying-bo.Analysis of Linear Regression with Reflectance and Dry Matter Accumulation in Above-ground Part in Different Growth Stages[J].HEILONGJIANG AGRICULTURAL SCIENCES,2010,(06):27-28,31.
不同时期大豆光谱反射率与干物重线性回归分析
- Title:
- Analysis of Linear Regression with Reflectance and Dry Matter Accumulation in Above-ground Part in Different Growth Stages
- 文章编号:
- 1002-2767(2010)06-0027-02
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 黑龙江省农业科学院 佳木斯分院,黑龙江 佳木斯 154007 通过对近红外和可见光波段光谱反射率的分析,确定大豆地上部干物重的敏感波段,计算出相应的植被指数,建立植被指数与大豆地上部干物质量预测模型y=-493.77x+324.55,并能较为准确地预测大豆地上部干物重。
- Abstract:
- The characteristic spectral wavebands for indicating the dry matter accumulation in above-ground part of soybean were determined by analyzing spectra reflectance of near infrared light and visible light, and the prediction model which about vegetation indices and the dry matter accumulation in above-ground part of soybean was established. The results showed that the corresponding prediction model established by vegetation indices of RDVI(100 5,510 nm)was y =-493.77x+324.55, it could be accurate to predict the dry matter accumulation in above-ground part of soybean.
参考文献/References:
[1] 冯伟 朱艳, 姚霞, 等. 基于高光谱遥感的小麦叶干重和叶面积指数监测[J]. 植物生态学报, 2009,33(1):34-44. [2]刘占宇,黄敬峰,王福民,等. 估算水稻叶面积指数的调节型归一化植被指数[J].中国农业科学,2008,41(10):3350-3356. [3]宋开山,张柏,王宗明,等. 大豆叶绿素含量高光谱反演模型研究[J]. 农业工程学报, 2006,22(8):16-21. [4]吴华兵,朱艳,田永超,等. 棉花冠层高光谱指数与叶片氮积累量的定量关系[J]. 作物学报, 2007,33(3):518-522. [5]孙君明, 韩粉霞, 闫淑荣,等.傅里叶近红外反射光谱法快速测定大豆脂肪酸含量[J].光谱学与光谱分析,2008,28(6):1290-1294. [6]肖春华, 李少昆, 卢艳丽, 等.冬小麦冠层叶片氮素营养方向反射光谱的预测[J]. 石河子大学学报(自然科学版),2008,26(3):280-285.
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备注/Memo
基金项目: 黑龙江省国际合作资助项目(WB08C07)