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Acta Agron Sin ›› 1991, Vol. 17 ›› Issue (04): 283-291.

• ORIGINAL PAPERS • Previous Articles     Next Articles

Physiological Effect of Nitrate or Ammonia Top-dressing on Hybrid and Conventional Rice Varieties at the Late Growth Stage

Yang Xiaoe;Sun Xi   

  1. Zhejiang Agricultural University
  • Received:1990-02-06 Revised:1990-06-04 Online:1991-07-12 Published:1991-07-12

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Abstract: Pot experiment was conducted in 1986 to investigate the effect of NO3- or NH4+ top-dressing 7 days before heading to the physiological function of the leaf blades and grains of Shanyou 6 and Zheli 1. The results showed that NO3- N top

Key words: Nitrate, Ammoniun, Photosynthesis, Hormonal balance, Protein and nucleic acid, Hybrid rice

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