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Volume 12 Issue 2
Apr.  2012
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Xie Huaan. “Shanyou 63',the Veriety With the Largest Cultivated Area in China Ⅲ.the Photosynthetic Characteristics and Solar Energy Utilization Efficiency[J]. Fujian Journal of Agricultural Sciences, 1997, 12(2): 1-5.
Citation: Xie Huaan. “Shanyou 63",the Veriety With the Largest Cultivated Area in China Ⅲ.the Photosynthetic Characteristics and Solar Energy Utilization Efficiency[J]. Fujian Journal of Agricultural Sciences, 1997, 12(2): 1-5.

“Shanyou 63",the Veriety With the Largest Cultivated Area in China Ⅲ.the Photosynthetic Characteristics and Solar Energy Utilization Efficiency

  • Received Date: 1997-02-05
  • Publish Date: 1997-06-15
  • The cultivated ar ea of“Shany ou63"has been kept the first in China since 1986.The average cultivated area one year is 4.67 million hectare,about 22%of the area of indica zone in China and particularly 27.1% in 1990.The cult ivated area of shanyou 63 also reached 4.47 million hectare in 1996,nearly 4-5 t imes that o f the seco ndar y one fo r the past 11 years.It is cultivated all over the indica cultiv ated zone from 17°36′N to 37°49′N and fr om 100°36′E to 121°56′E.It has been cultivated 52.67 millio n hectare and increased by about 58.5 billion kg grain from the year 1986 to 1996.A ccor ding to the national regional yield trial,it incr eased 1.1t grain perhectare com-paring with CK.General grain yield was 7.5t to 9tper hectare and the highest was 13.9tper hectare.T his paperint roduces the photo synthetic charac teristics of Shany ou 63:low light compen- satio n point,hig h lig ht sat ur ation point and high net photo synthesis efficiency of flag leaf.This re- search also indicates that the photo synthetic character istics and the group solar energy unitilization efficiency of Shanyou 63 are different in different cultivated seaso ns,differ ent soil types and fer- tiliser levels and differ ent plant density.In order to bring its photosynthetic potentiality into full play and to achieve high yield,suitable so wing and plant ing season,cultiv ated density and fertilizer application level should be studied in the different zones.
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  • [1]
    〔2〕熊振民,蔡洪法主编.中国水稻.北京:中国农业科技出版社,1992,58~67
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    〔5〕中国水稻研究所.中国水稻种植区划.浙江:浙江科学技术出版社,1989
    [3]
    〔11〕李林,沙国栋,陆景淮等.汕优63群体的光合特性研究Ⅱ群体的光合与同化特性.江苏农业科学,1989(8):7~9
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