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Acta Agron Sin ›› 2006, Vol. 32 ›› Issue (02): 306-309.

• RESEARCH NOTES • Previous Articles     Next Articles

Micro-climate of Winter Wheat Field under the Conditions of Irrigation and Straw Mulching

LI Quan-Qi; CHEN Yu-Hai; YU Shun-Zhang; WU Wei; ZHOU Xun-Bo; DONG Qing-Yu and YU Song-Lie   

  1. Agronomy College, Shandong Agricultural University , Tai’an 271018, Shandong, China
  • Received:2004-11-22 Revised:1900-01-01 Online:2006-02-12 Published:2006-02-12
  • Contact: CHEN Yu-Hai

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Abstract:

After Feb. 2003, soil temperature at 14:00 p.m. of mulching treatments was much lower than that of un-mulching treatment. The air humidity of 5 cm above the ground under the condition of irrigation was decreased and the air temperature of 5 cm above the ground increased by straw mulching. The turbulent coefficient and turbulent flux was decreased and straw mulching increased the latent heat flux by irrigation and vice versa. Mulching, leading to the higher soil moisture content could enhance the penetrating ability of irrigation water. The yield and WUE of winter wheat were obviously reduced by straw mulching.

Key words: Irrigation, Straw mulching, Winter wheat, Micro-climate

CLC Number: 

  • S512
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