My Account: Log In | Join | Renew
Search
Author
Title
Vol.
Issue
Year
1st Page

Abstract

 

This article in SSSAJ

  1. Vol. 31 No. 3, p. 394-399
     
    Received: Oct 10, 1966
    Published: May, 1967


 View
 Download
 Alerts
 Permissions

doi:10.2136/sssaj1967.03615995003100030029x

Distribution of Total and 0.1 Normal Hydrochloric Acid-Extractable Zinc in Hawaiian Soil Profiles1

  1. Yoshinori Kanehiro and
  2. G. Donald Sherman2

Abstract

Abstract

In most Hawaiian soil profiles, the highest concentrations of 0.1N HCl-extractable Zn were found in the surface horizons. There was a general decrease in extractable Zn with soil depth. Extractable Zn was found to range from 0.1 to 17.9 ppm.

The concentration of total Zn appeared to be less dependent on depth than was acid-extractable Zn. In some profiles, where the extractable Zn followed the general pattern of decreasing with soil depth, the total Zn content remained the same or even slightly ncreased with depth. Total Zn was found to range from 51 to 288 ppm.

There was a highly significant correlation between total and extractable Zn. This correlation was especially evident in the relatively youthful and unweathered soils but not in all oxisols and ultisols. There was no correlation between soil pH and extractable Zn.

The occurrence of Zn-deficient plants was better correlated with acid-extractable soil Zn values than with total soil Zn values. Most soils on which Zn deficiency is found are oxisols or ultiscls that have undergone intensive weathering or have had their subsoils exposed. In a greenhouse experiment, corn (Zea Mays L. plants grown in an ultisol sampled from an eroded site showed more pronounced Zn-deficiency symptoms and lower vegetative yields than those grown in an adjacent surface-intact soil.

  Please view the pdf by using the Full Text (PDF) link under 'View' to the left.

Copyright © . Soil Science Society of America

Facebook   Twitter