輻射光譜及紅外線熱像技術在農作物生產上之應用

Abstract

以人爲中心的環境定義泛指孕育及影響人類生存、健康與生活在内的所有具有生命無生命的空間和物質，農業的生產環境因加上其他與農業生產有關的有形和無形的資材及資材和環境的交感，而增加了空間與時間的複雜度與不安定度。就農作物生產而言，由於作物在生育過程中經常遭遇或發生各種生物性及非生物性的逆境，因此最大量往往達不到其遺傳谮能。爲了維持或延續適量(或一可接受量)的作物生產，確有必要採行任何可行方法與措施來調節作物生長狀況，並減少或降低逆境的負面效應。環境的構成因素相當複雜，環境事件非常的繁複，擬加以硏究必須採以科學的方法，而輻射光譜及紅外線熱像技術提供了工具的選擇。本文將著重於農業生產上的闡述，尤其是農作物的生產，期以傳播有關遙感探測技術的實用功能，特別是輻射光譜及紅外線熱像技術的實用價値，而能推廣、擴大應用於各種農業活動及自源资源探測等之考量。 From the center of human being, the Environment is comprised of every animate and inanimate influence which bears upon him, his life, health and livelihood. The environment of agricultural production is more complicated by the addition of the materials put into cultivation system through man, and the temporal and spatial variations. For crop production, maximaum yield can hardly be reached to genetic potential since many stress envrionment will be encountered during growing period. It is therefore necessary to take any appropriate means to prevent or reduce the negative effects of stresses and the adjustment strategies to improve plant growth. The constituents of a crop production envrionment are complex even studied with scientific methodologies. Spectroradiometry and infrared thermal imagery techniques are among means of choice. This paper describes and evaluates the functions and applications of remote sensing, especially the values and usefulness in using these two techniques.