Position: Home > Articles > Analysis of Field Drought lndex and Ways of Drought Contro1 and Yield Increase in Plateau
Acta Agriculturae Boreali-occidentalis Sinica
1997,6
(4)
渭北旱塬农田旱情分析与抗旱增产途径研究
作 者：
马延庆;刘长民
单 位：
陕西省咸阳市气象局;陕西省咸阳市农业气象研究所
关键词：
帕默尔干旱指数，旱度模式，抗旱途径
摘 要：
运用帕默尔干旱指数原理，结合陕西渭北地区的农业气候现状，分析了农田和作物干旱形成的条件及其发展规律，建立了适合该地区特点的旱情指标模式：ｘｉ＝Ｚｉ／４７．２８＋０．１６６ｘｉ－１，据此提出了该地区农田旱度指数模式：Ｋｚ＝（ｐ－ＥＴ＋Ｓ－Ｒ）／１７６。另外，还探讨了农田抗旱增产的途径和对策，给出了节水灌溉通用计算公式：Ｓ＝１７６－（Ｐ－ＥＴ＋Ｓ）。
译 名：
Analysis of Field Drought lndex and Ways of Drought Contro1 and Yield Increase in Plateau
作 者：
Weibei Shanxi Ma Yanqing Liu Changmin (Xianyang City Meteorologicoal Bureau,Xianyang 712000)(Xianyang Institute of Agrometeorology,Xianyang 712034)
关键词：
Palmer' s drought index,Drought model; Drought control and yield increasemethod
摘 要：
By ana1ysing the formation,development and the end of drought in Weibei plateaufarmland based on Palmer'sdrought ndex.A drought model:xi-Zi/47.28+0.7166"xi一1wellapplied at that district was derived.A drought index model for farmland Kz=(P-E+S-R)/176 was a1so derived.Drought control and vield increase method were discussed.
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