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Acta Agron Sin ›› 2005, Vol. 31 ›› Issue (12): 1640-1647.

• ORIGINAL PAPERS • Previous Articles     Next Articles

Classification, Identification and Evaluation of Nitrogen Nutrition Efficiencies in Rice Germplasms at Seedling Stage

CHENG Jiang-Feng; DAI Ting-Bo; CAO Wei-Xing; JIANG Dong   

  1. Key Laboratory of Crop Regulation, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, Jiangsu
  • Received:2004-10-08 Revised:1900-01-01 Online:2005-12-12 Published:2005-12-12
  • Contact: CAO Wei-Xing

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Abstract: The decline of nitrogen nutrition efficiencies as well as increases in crop production cost and soil and water contamination are becoming urgent problems due to heavy application of nitrogen fertilizers in rice production. Exploring and utilizing crop’s self-potential is an ideal approach to improving nitrogen nutrition efficiencies. Most researches have focused on the comparison of nitrogen nutrition efficiencies among rice cultivars but paid less attention to establishing... ...

Key words: Rice germplasm, Nitrogen, Nutrition efficiency, Classification, Identification, Evaluation

CLC Number: 

  • S511
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