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DTPA as an extractant of available soil iron

 

作者: G. J. de Boer,   H. M. Reisenauer,  

 

期刊: Communications in Soil Science and Plant Analysis  （Taylor Available online 1973）
卷期: Volume 4, issue 2  

页码: 121-128

 

ISSN:0010-3624

 

年代: 1973

 

DOI:10.1080/00103627309366425

 

出版商: Taylor & Francis Group

 

关键词: available soil Fe;soil analysis;sorghum;DTPA

 

数据来源: Taylor

 

摘要:

Experiments were conducted to evaluate DTPA as an extractant of available soil Fe and to establish interpretive guides. A critical level of 6 ppm DTPA‐extractable soil Fe correctly predicted Fe deficiency of field grown plants at 11 of 13 locations. In a greenhouse experiment increased yields of sorghum from treatments that increased soil Fe availability were correctly predicted on 13 of 14 soils by a critical level of 5 ppm.

 

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