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

Abstract

 

This article in AJ

  1. Vol. 60 No. 5, p. 554-557
     
    Received: Apr 6, 1968
    Published: Sept, 1968


 View
 Download
 Alerts
 Permissions

doi:10.2134/agronj1968.00021962006000050033x

Nutrient Uptake by Lowland Under Flooded and Nonflooded Soil Conditions1

  1. E. C. Cherian,
  2. Gary M. Paulsen and
  3. Larry S. Murphy2

Abstract

Abstract

Lowland rice (Oryzea sativa L.) produced more foliage and usually adsorbed more P and Mn from flooded soil than from nonflooded soil. Flooding, however, decreased the contents of Ca and Mg, and frequently the contents of K and Zn, in rice foliage. The responses of Fe and Cu contents of rice foliage to flooding varied.

Prosphorus fertilization increased the growth of rice and caused similar levels of phosphorus to accumulate in the foliage under flooded and nonflooded conditions. Super phosphate and liquid ammonium polyphosphate were more effective sources than solid ammonium polyphosphate under flooded conditions, but there was little difference among sources under nonflooded conditions. The highest P rate (100 ppm) produced most rice growth under flooded conditions while, under nonflooded conditions, the medium P rate (50 ppm) was as effective. Managanese fertilizer increased the Mn content of rice foliage only when applied at extremely high rates (50 ppm) and there was little difference between Mn contents of flooded and nonflooded plants at the higher Mn rates. Neither Mn nor Fe fertilizers affected rice growth.

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

Copyright © .

Facebook   Twitter