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Evaluation of Various Zinc Extractants in Lowland Rice Soil under the Influence of Zinc Sulfate and Chelated Zinc

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Title Evaluation of Various Zinc Extractants in Lowland Rice Soil under the Influence of Zinc Sulfate and Chelated Zinc
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Creator S. K. Naik
D. K. Das
 
Subject Chelated Zn
extractable Zn
growth stage
 
Description Not Available
Field experiments were conducted on rice (cv ‘IET 4094’) in an Aeric endoaquept (pH 7.2) to evaluate the various zinc (Zn) extractants in lowland rice soil under the influence of Zn sulfate and chelated Zn. The diethylenetriaminepentaacetic acid (DTPA), 0.1N hydrochloric acid (HCl), and 0.05N HCl-extractable Zn concentrations in soil increased initially up to the Z29 stage of crop growth when Zn was applied as a single basal source, being greater with Zn ethylenediaminetetraacetic acid (Zn-EDTA) compared to zinc sulfate (ZnSO4) application. Among the various extractants, the performance of 0.1N HCl in extracting Zn was better than the other two extractants and followed the trend 0.1N HCl > 0.005M DTPA > 0.05N HCl. The greatest increase in grain and straw yield of rice was 37.8 and 20.4%, respectively, over the control in the treatment T7 (1 kg Zn ha-1 as Zn-EDTA at basal).
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Date 2021-08-16T09:13:11Z
2021-08-16T09:13:11Z
2010-01-01
 
Type Research Paper
 
Identifier Naik, S.K. and Das, D.K., 2010. Evaluation of various zinc extractants in lowland rice soil under the influence of zinc sulfate and chelated zinc. Communications in soil science and plant analysis, 41(1), pp.122-134.
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http://krishi.icar.gov.in/jspui/handle/123456789/57248
 
Language English
 
Relation Not Available;
 
Publisher Taylor and Francis