| 石灰性水稻土中磷酸铁对水稻磷营养的贡献 |
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| 引用本文： | GUO Zhi-Fen,TU Shu-Xin,LI Xiao-Hu,PAN Yong,ZHANG Yi-Chun. 石灰性水稻土中磷酸铁对水稻磷营养的贡献[J]. 土壤圈, 1995, 5(3): 275-281 |
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| 作者姓名： | GUO Zhi-Fen TU Shu-Xin LI Xiao-Hu PAN Yong ZHANG Yi-Chun |
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| 作者单位： | [1]InstituteofAtomicEnergyinAgriculturalUse,HubeiAcademyofAgriculturalSciences,Wuhan30064，China [2]Institu,HubeiAcademyofAgriculturalSciences,Wuhan30064，China |
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| 基金项目： | *1Project supported by the Laboratory of Material Cycling in Pedosphere, Institute of Soil Science, Academia Sinica. |
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| 摘 要： | A study was carried out on contribution of iron phosphate to phosphorus nutrition of rice plant under waterlogged and moist conditions,respectively,by use of synthetic Fe^32 PO4.nH2O,tagging directly the iron phophate in calcareous paddy soils.Results showed that under waterlogged condition,similar to iron phosphate in acidic paddy soils.that in clacareous paddy soils was an important source of phosphorus to rice plant ,and the amount of phosphorus originated from it generally constituted 30-65% of the total phosphorus absorbed by rice plant.
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| 关 键 词： | 水稻 P营养 石灰性水稻土 石灰土 磷酸铁 Fe－P |
Contribution of iron phosphate in calcareous paddy soils to phosphorus nutrition of rice plant |
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| GUO Zhi-Fen,TU Shu-Xin,LI Xiao-Hu,PAN Yong and ZHANG Yi-Chun. Contribution of iron phosphate in calcareous paddy soils to phosphorus nutrition of rice plant[J]. Pedosphere, 1995, 5(3): 275-281 |
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| Authors: | GUO Zhi-Fen TU Shu-Xin LI Xiao-Hu PAN Yong ZHANG Yi-Chun |
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| Affiliation: | Institute of Atomic Energy in Agricultural Use, Hubei Academy of Agricultrual Sciences, Wuhan 450064 (China);Institute of Atomic Energy in Agricultural Use, Hubei Academy of Agricultrual Sciences, Wuhan 450064 (China);Institute of Atomic Energy in Agricultural Use, Hubei Academy of Agricultrual Sciences, Wuhan 450064 (China);Institute of Atomic Energy in Agricultural Use, Hubei Academy of Agricultrual Sciences, Wuhan 450064 (China);Institute of Atomic Energy in Agricultural Use, Hubei Academy of Agricultrual Sciences, Wuhan 450064 (China) |
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| Abstract: | A study was carried out on contribution of iron phosphate to phosphorus nutrition of rice plant under waterlogged and moist conditions,respectively,by use of synthetic Fe^32 PO4.nH2O,tagging directly the iron phophate in calcareous paddy soils.Results showed that under waterlogged condition,similar to iron phosphate in acidic paddy soils.that in clacareous paddy soils was an important source of phosphorus to rice plant ,and the amount of phosphorus originated from it generally constituted 30-65% of the total phosphorus absorbed by rice plant. |
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| Keywords: | calcareous soil iron phosphate phosphorus nutrition rice |
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