February 2018

MicroEssentials® SZ® Sugarcane and Sugar Content Study


Evaluate sugarcane yield and sugar content response to MicroEssentials® SZ® (12-40-0-10S-1Zn) and DAP (18-46-0).


  • Diammonium phosphate (DAP) is a common phosphorus (P) source used for sugarcane in Florida.

  • Adequate availability of sulfur (S) and zinc (Zn) is critical to maximize yield of cane and sugar content.

  • MicroEssentials® SZ® contains four nutrients fused into one nutritionally balanced granule, providing uniform nutrient distribution, increased nutrient uptake and season-long sulfur availability.


Locations and Crop Management:

Crop: Sugarcane (Saccharum officinarum)

Years: 2015-2017

Locations: 3 crops (1 plant and 2 ratoon) – Clewiston, FL

Data Source: Field studies conducted by the University of Florida.

Experimental Design: Small-plot RCBD with 4 replications.

Cropping Conditions:

P Rate: 0 (control – no P applied), 50 and 100 lbs P₂O₅/ac applied as DAP and 50 lbs P₂O₅/ac applied as MicroEssentials® SZ® 

N and K Rate: As recommended by soil test

Application Method and Timing:

Plant Cane: All P was applied in furrow at planting.

Ratoon Cane: All P was applied as side-dress after harvest.


Cumulative Cane Yield
Cumulative Sugar Yield


  • Sugarcane showed good response to P, S and Zn.

  • Cumulative cane yield with MicroEssentials® SZ® was 6.4 tons/ac (6.2%) higher than DAP at the 50 lbs P₂O₅/ac rate.

  • Cumulative sugar yield with MicroEssentials® SZ® was 0.9 ton/ac (6.2%) higher than DAP at the 50 lbs P₂O₅/ac rate.

  • Cane and sugar yields with MicroEssentials® SZ® at the 50 lbs P₂O₅/ac rate were higher than all P rates applied as DAP.

  • Higher cane and sugar yields achieved by using MicroEssentials® SZ® demonstrate the features and benefits of uniform nutrient distribution, season-long S availability and increased nutrient uptake.

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Individual results may vary, and performance may vary from location to location and from year to year. This result may not be an indicator of results you may obtain as local growing, soil and weather conditions may vary. Growers should evaluate data from multiple locations and years whenever possible.