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Volume 27 Issue 5
Jul.  2012
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Article Contents
YU Dao-biao, ZHAO Ya-jing, HUANG Wan-chun, LI Xiao-Ping, JIANG Zhao-wei, CHEN Shuang-long. Growth Characteristics and Nitrogen Application Technique of Ratoon Rice with Machine Harvest in Low Cutting[J]. Fujian Journal of Agricultural Sciences, 2012, 27(5): 485-490.
Citation: YU Dao-biao, ZHAO Ya-jing, HUANG Wan-chun, LI Xiao-Ping, JIANG Zhao-wei, CHEN Shuang-long. Growth Characteristics and Nitrogen Application Technique of Ratoon Rice with Machine Harvest in Low Cutting[J]. Fujian Journal of Agricultural Sciences, 2012, 27(5): 485-490.

Growth Characteristics and Nitrogen Application Technique of Ratoon Rice with Machine Harvest in Low Cutting

  • Received Date: 2012-03-16
  • Rev Recd Date: 2012-04-15
  • Publish Date: 2012-05-30
  • To explore high-yielding cultural techniques of ratoon rice with machine harvest and observe on growth characteristics of ratoon tillers, the combination tests of different nitrogen application time were set. The results showed that the main tillers located at the second and third node order in ratoon season with few total leaf number, no independent root, early breeding and early maturity after the main rice was harvested by hand in high cutting. While the main tillers located at the fourth and fifth node order in ratoon season with more total leaf number and independent root after the main rice was harvested by machine in low cutting. After machine harvest 7~10d, nodal root and tillers germinated at prophyll node. After machine harvest 9~12d, the first panicle branch differentiated. The heading and ripening stage delayed about 15d than that of the field which the main rice was harvested by hand in high cutting. After the main rice was harvested by machine, early and heavy application of N-fertilizer effectively promoted root, bud germination and branch, spikelet differentiation of ratoon tillers, which can increase yield significantly.
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    李小萍,陈爱珠,林玉婷. 水稻再生分蘖的萌发成穗规律研究[J]. 福建稻麦科技,2008,(4):14-16.
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