Influence of Climate Warming on Corn Growth in Irrigating Farmland of Tianshui and Countermeasures

J4 ›› 2006, Vol. 24 ›› Issue (3): 57-61.

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Influence of Climate Warming on Corn Growth in Irrigating Farmland of Tianshui and Countermeasures

YAO Xiao-hong^1,2, LI Xia³

1.Key Laboratory of Arid Climatic Changing and Reducing Disaster of Gansu Province, Institute of Arid Meteorology , CMA, Lanzhou 730020, China; 2.Tianshui Agro-meteorological Experiment Station, TianShui 741020,China; 3.Tianshui Meteorological Bureau of Gansu Province, Tianshui 741020, China

Received:2006-02-21 Revised:2006-04-17 Online:2006-09-30 Published:2006-09-30

气候变暖对天水市川灌地玉米生长发育的影响及对策研究

姚晓红^1,2，李侠³

1中国气象局兰州干早气象研究所;甘肃省干旱气候变化与减灾重点实验室，甘肃兰州730020;
2.甘肃省天水农业气象试验站，甘肃天水741020;3.甘肃省天水市气象局，甘肃天水741020

作者简介:姚晓红(1966一)，女，河南清丰县人，大学本科，主要从事农业气象试验研究工作
基金资助:
科技部科研院所社会公益研究专项“西北农作物对气候变化的响应及其评价方法”(2005DIB3J100)资助

Abstract

Abstract:

Based on the meteorological data during 1985-2004, the meteorological factors influencing corn yield of the irrigating farmland of Tianshui were analyzed, and the effective accumulated temperatures(≥10 ℃)during stages from the milk to full-ripe and from the seeding to stem extension stage were main factors affecting the output of corn. The remarkable increase of heat resource since the 1990s and thus the unsuitability of the precipitation and heat condition resulted in large fluctuation of the corn yield there. The quantification relations between light and temperature, temperature and water, light and water, light and water as well as temperature suiting to higher yield were provided and meanwhile the corresponding agricultural countermeasures and management suggestion were given also.

Key words: font-family: "Times New Roman", mso-bidi-font-size: 12.0pt, mso-fareast-font-family: 宋体, mso-font-kerning: 1.0pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA">font-family: "Times New Roman", mso-bidi-font-size: 12.0pt, mso-fareast-font-family: 宋体, mso-font-kerning: 1.0pt, mso-ansi-language: EN-US, mso-fareast-language: ZH-CN, mso-bidi-language: AR-SA">climate warming, corn, growth, countermeasure

摘要：

通过1985 -2004年20 a气象资料分析得出，影响川灌地玉米产量的主要气象因子是播种一拔节期日较差累积值和乳熟一成熟期)10℃有效积温。20世纪90年代以来，热量条件的显著增加并由此带来水热之间配置的不适宜性是造成玉米产量出现较大波动的主要气候原因，分析得出作物获得较高产量适宜的光温、温水、光水、光温水的配置量化关系。同时，提出了相应的农业对策和管理建议。

关键词: 气候变暖, 玉米, 生长发育, 对策研究

CLC Number:

S162.5

TAO Xiao-Gong, LI Xia.

Influence of Climate Warming on Corn Growth in Irrigating Farmland of Tianshui and Countermeasures

[J]. J4, 2006, 24(3): 57-61.

姚晓红, 李侠. 气候变暖对天水市川灌地玉米生长发育的影响及对策研究[J]. J4, 2006, 24(3): 57-61.

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Influence of Climate Warming on Corn Growth in Irrigating Farmland of Tianshui and Countermeasures

气候变暖对天水市川灌地玉米生长发育的影响及对策研究

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