Study on utilization of nitrogen and phosphorus from compound fertilizer by rice using isotopes <sup>15</sup>N and <sup>32</sup>P

Xianfang Wen; Dongyang Li; Xizhong Zhang; Yizhu Chen

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Study on utilization of nitrogen and phosphorus from compound fertilizer by rice using isotopes ¹⁵N and ³²P

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- Study on utilization of nitrogen and phosphorus from compound fertilizer by rice using isotopes ¹⁵N and ³²P
- Nuclear Techniques Vol. 09, Issue 3, (1986)
- 作者机构：
  
  中国农业科学院原子能利用研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：14 May 1985，
  
  Published：1986-03
- 稿件说明：
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Xianfang Wen, Dongyang Li, Xizhong Zhang, et al. Study on utilization of nitrogen and phosphorus from compound fertilizer by rice using isotopes ¹⁵N and ³²P[J]. Nuclear techniques, 1986, 09(3): 41-43,59.
DOI：

Xianfang Wen, Dongyang Li, Xizhong Zhang, et al. Study on utilization of nitrogen and phosphorus from compound fertilizer by rice using isotopes ¹⁵N and ³²P[J]. Nuclear techniques, 1986, 09(3): 41-43,59. DOI：

摘要

供试土壤为北京浅色草甸水稻土（全氮0.116%，有机质2.35%，pH8.25，水解氮6.54 mg/100g土，全磷

8ppm，速效钾135.08ppm）。试验采用塑料桶，桶高26.5cm，上口直径为26.5cm，每桶装土9kg，每盆施N量为667mg

N:P

=1:0.5，即每盆施P

量为333.5 mg。水稻品种为秋光。

Abstract

This paper describes the application of urea plus ordinary superphospate (OSP)which gave higher grains yield than by application of compound fertilizer UPA (urea plus compound ammonium phosphates). Isotopes tracer experiment showed that the utilization of nitrogen fertilizer are: mixed urea and OSP

urea and OSP separately

urea

urea - ammonium phosphates. The utilization of phosphorus by rice are: urea - ammonium phosphate

mixed urea and OSP

urea and OSP separately

OSP. It is shown that the A

-value of soil was significantly correlated with yield of rice grains.

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references

冯音捷等，原子能农业应用， 3 , 39 ( 1984 ).

刘启鑫等，土壤通报， 2 , 21 ( 1983 ).

黄健安等，土壤肥料， 3 , 26 ( 1983 ).

黄韫璐，土壤肥料， 1 , 44 ( 1985 ).

陈子元等，核技术及其在农业科学中的应用，科学出版社， 1983 年，第 437 页。

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Study on utilization of nitrogen and phosphorus from compound fertilizer by rice using isotopes 15N and 32P

DOI：

摘要

Abstract

关键词

Keywords

references

Study on utilization of nitrogen and phosphorus from compound fertilizer by rice using isotopes ¹⁵N and ³²P