Research Article
Response of Sugarcane in a Red Ultisol to Phosphorus Rates, Phosphorus Sources, and Filter Cake
Figure 3
Leaf phosphorus in sugarcane at four months (a) and at 8 months (b), as a function of phosphorus application rate. and : significant at probabilities of 0.05 and 0.01, respectively.
(a) |
(b) |