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Acta Agron Sin ›› 2006, Vol. 32 ›› Issue (07): 1090-1093.

• RESEARCH NOTES • Previous Articles     Next Articles

Analysis of Growth and Development and Yield of Corn Mulched with Plastic Film and Straw

BU Yu-Shan1, MIAO Guo-Yuan2,SHAO Hai-Lin1,WANG Jian-Cheng1   

  1. 1College of Resource and Environmental Science；2College of Agronomy，Shanxi Agricultural University, Taigu 030801, Shanxi ,China
  • Received:2005-05-15 Revised:1900-01-01 Online:2006-07-12 Published:2006-07-12
  • Contact: BU Yu-Shan

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Abstract:

The effects of straw mulching (SM) and plastic film mulching (PM) on corn growth and yield were studied by pot and field experiments in two years. The results showed that plant height, stem diameter, net photosynthetic rate, and accumulation of dry matter in root and shoot of corn were increased by SM and PM. The promotion effect of PM treatment on corn growth and development was bigger at the earlier stage of corn growth, while that of SM treatment mainly at the middle and later stages of corn growth. The reason of increasing corn yields by SM and PM was mainly due to the increases of ear length and grains per ear, indicating the effects of SM and PM on corn yields were performed at jointing to heading stages when female ear differentiated and developed, while not at seed-filling period under the experimental condition.

Key words: Straw mulching, Plastic film mulching, Corn, Growth and development, Yield

CLC Number: 

  • S513
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