Effects of Different Ratios of Pre-Plant and Delayed Sidedress Applications

Eddie R. Funderburg


 
ABSTRACT

A replicated Extension demonstration was conducted during 1968-89 in Yazoo County, MS, to determine the effects of applying different ratios of a constant nitrogen rate at pre-plant and at side-dress. The nitrogen rate was 140 lbs. N per acre on all plots. Pre-plant rates were 40, 60, 80, and 100 lbs. N respectively, with side-dress rates of 100, 80, 60, and 40 lbs. N per acre. While there was a trend toward higher yields of cotton with smaller amounts of nitrogen pre-plant followed by higher rates side-dress, the differences were not statistically significant at the 0.05 or the 0.10 levels of probability.



Reprinted from 1990 Proceedings: Beltwide Cotton Production Research Conferences pp. 482 - 483
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998