Yield (tons/acre) Coastal Bermuda


0 200


 400
N Rate


 600
(Ibs/acre)


800


1000


0 200


 400
N Rate


 600
(Ibs/acre)


Figure 2.


Regression analysis of coastal bermudagrass dry-matter yield versus fertilizer
N-rates in 1987 and 1988, showing N-rates for probability of no response (PNR)
at 5% and 50% probability.


800


1000


Yield (tons/acre) Coastal Bermuda