农业干旱指标研究与进展

Research Progress in Agricultural Drought Index

介绍了评价农业干旱的降水量指标、土壤含水量指标、作物旱情指标（作物形态指标、生理指标、冠层温度指标）及综合性指标。讨论了各类指标的研究进展及其应用于农业生产中的适用性与实用性，最后对农业干旱预报及其评价指标的研究发展作了简要介绍。

In this paper, the various methods and indexes used in appraising the rainfall index, soil moisture index, crop drought index and comprehensive index are introduced. The research progress , practicality and adaptability of the indexes in the agricultural production are discussed. And the research tendency of the indexes and drought predication are also briefly discussed.