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Chinese Agricultural Science Bulletin ›› 2004, Vol. 20 ›› Issue (1): 98-98.

Special Issue: 玉米； 烟草种植与生产； 农业生态

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The Influence of Different Ecological Condition on Growth and Yield of High Starch Corn Variety Zhengdan 18

Wang Zhenhua,Zhang Xin,Liu Wencheng,Tian Jifeng,Zhang Qianjin   

  • Online:2004-02-05 Published:2004-02-05

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Abstract: The influence of different ecological condition on growth and yield of Zhengdan 18 was studied. The yield, ear row number and row grain number dropped, the maximum leaf area index declined, the growing process quickened, the growing time became short, along with the postponement of summer sowing. The ecological adaptability for high yield of Zhengdan 18 was that whole growing accumulated temperature was 2674.9-2860.6℃ and whole growing daily mean temperature was 24 .8-25.8℃.