By Kenneth Gravois, Ph.D.
LSU AgCenter
When considering a sugarcane soil fertility program, follow these guidelines. The number one priority should be the soil pH. Soil pH that is outside the optimum ranges will adversely affect the availability of all other applied nutrients. The second most important component of your fertility program should be nitrogen, followed by potassium, sulfur and phosphorus. Soil testing should be a regular part of your soil fertility program. Periodic leaf tissue analyses can verify midseason plant health