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題 名 | 水稻營養生長期農藝性狀與衛星遙測植生指數NDVI之灰關聯分析=Grey Relational Analysis between Agronomic Characters and Satellite Remote Sensing Normalized Difference Vegetation Index of Paddy Rice during Vegetative Stage |
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作 者 | 楊志維; 許明晃; 黃文達; 楊智旭; 蔡養正; 楊棋明; 張新軒; | 書刊名 | 作物、環境與生物資訊 |
卷 期 | 1:3 2004.09[民93.09] |
頁 次 | 頁199-206 |
分類號 | 434.111 |
關鍵詞 | 水稻; 營養生長期; 農藝性狀; 衛星遙測; 植生指數; 灰關聯分析; NDVI; Paddy rice; Vegetative stage; Agronomic characters; Satellite remote sensing; Vegetation index; Grey relational analysis; |
語 文 | 中文(Chinese) |
中文摘要 | 摘要 本研究應用灰關聯理論,分析水稻營養 生長期之農藝性狀與衛星遙測常態化差異 植生指數(normalized difference vegetation index, NDVI)之關聯性。灰關聯 分析顯示,株高(cm hill-1)、分蘗數(tillers hill-1)、葉氮含量百分比(%, DW)、莖水分 含量百分比(%, FW)、葉鮮重(g hill-1)與總 水分含量百分比(%, FW)之灰序分佔前6 名; 而葉氮含量(g, DW)、總氮含量(g, DW)、莖氮含量(g, DW)、莖鮮重(g hill-1)、 總乾重(g hill-1)與莖乾重(g hill-1)之灰序則 分別是後6 名;其他農藝性狀則介於中間。 因此,水稻營養生長期各農藝性狀對衛星遙 測NDVI 之貢獻度不同,以株高、分蘗數、 水分含量百分比(%, FW)等較高,組織乾重 則較低。本文也將迴歸分析與灰關聯分析結 果做比較。 |
英文摘要 | ABSTRACT This study applied grey system theory to analyze the relationship between agronomic characters and satellite remote sensing normalized difference vegetation index (NDVI) of paddy rice during vegetative stage. The results of grey relational analysis indicated that plant height, tiller number, leaf nitrogen content (%, DW), tiller water content, leaf fresh weight and total water content (%, FW) took the 1st, 2nd, 3rd, 4th, 5th, and 6th place of proportionality, respectively. Leaf, total and tiller nitrogen contents (g), tiller fresh weight, total and tiller dry weights were the last six items in the order, i.e., these parameters took the 13th, 14th, 15th, 16th, 17th and 18th place of proportionality, respectively. Other agronomic characters were located between them. Results suggest that different agronomic characters of paddy rice make different contribution to satellite NDVI during vegetative stage. Plant height, tiller number, and water content play a more important role while dry weight of tissues is relatively less important. Results from regression and grey relational analyses are also compared and discussed. |
本系統中英文摘要資訊取自各篇刊載內容。