About Us | Help Videos | Contact Us | Subscriptions

Agronomy Journal Abstract -

Long-Time Trends in Grain Yields of Five Rice Varieties1


This article in AJ

  1. Vol. 50 No. 5, p. 233-235
    Received: Aug 13, 1957

Request Permissions

  1. C. Roy Adair,
  2. E. M. Cralley and
  3. T. H. Johnston2



The average yields of Fortuna increased each 7-year period of the 28 years. The 7-year average yields of the 4 varieties susceptible to diseases present during the period varied according to prevalence or control of specific diseases. White tip control appears to be necessary to get a maximum response from nitrogen fertilizer in susceptible varieties. Short or long term yields may be a poor basis for predicting comparable yields of rice varieties that differ in disease reaction.

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

Copyright © .