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

Abstract

 

This article in AJ

  1. Vol. 62 No. 6, p. 818-821
     
    Received: May 29, 1970
    Published: Nov, 1970


 View
 Download
 Alerts
 Permissions

doi:10.2134/agronj1970.00021962006200060043x

The Effects of Potassium on Ammonium Nutrition of Tomato (Lycopersicon esculentum Mill.)1

  1. O. Ajayi,
  2. D. N. Maynard and
  3. A. V. Barker2

Abstract

Abstract

Tomato plants (Lycopersicon esculentum Mill.) grown in pot culture in the greenhouse were easily injured by continuous, prolonged application of (NH4)2SO4. When an equivalent amount of K was supplied with the NH4, plant injury due to excessive NH4 was prevented. The presence of K in the NH4 culture system enhanced growth and restricted total N and NH4-N accumulation. The magnitude of the restriction of N constituents suggests that the ameliorating K effect was due in part to a K:NH4 competition for uptake but principally to the enhancement of NH4 assimilation.

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

Copyright © .

Facebook   Twitter