Agricultural Drought Evaluation Index and Model Research Based on Crop Drought Index

WANG Qin; LIU Hui-bin; GAN Jian-hui; HUANG Ming-de; LIU Yun-cheng; XIANG Jing; LUO Xiao-hua

doi:10.3969/j.issn.1674-2184.2012.04.015

WANG Qin, LIU Hui-bin, GAN Jian-hui, HUANG Ming-de, LIU Yun-cheng, XIANG Jing, LUO Xiao-hua. Agricultural Drought Evaluation Index and Model Research Based on Crop Drought Index[J]. Plateau and Mountain Meteorology Research, 2012, 32(4): 76-79. DOI: 10.3969/j.issn.1674-2184.2012.04.015

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Agricultural Drought Evaluation Index and Model Research Based on Crop Drought Index

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Based on the study of agricultural drought index,it gave “degree of crop drought index It”,“Dry relative degrees crop index Irt”,“Crop Drought intensity index Di”,it established the evaluation index and patterns of agricultural drought in Guangyuan.When crops relative drought index Ir20≧0.6 last for 15 days,agricultural drought issues warning,to provide decision-making basis for drought for the government.

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Agricultural Drought Evaluation Index and Model Research Based on Crop Drought Index

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