REFERENCE SUFFICIENCY RANGES
ORNAMENTALS & FLOWERS

Ornamental Cabbage

C. R. Campbell

• Critical Values

  None reported.

• Sampling Procedures

  The most recent mature leaf is the best indicator.

  Ten to 15 leaves are required for a representative sample.

  Samples are collected during vegetative growth as soon as plants are large enough.

  Samples are shipped to the laboratory in paper containers.

• Sufficiency Ranges
  • Vegetative Growth: Most Recent Mature Leaf
    
    

    Macronutrients
    N	P	K	Ca	Mg	S
    3.5–4.5%	0.2–0.6%	3.0–4.0 %	0.5–1.0%	0.2–0.4%	0.2–1.0%

    
    

    Micronutrients
    Fe	Mn	Zn	Cu	B	Mo
    50–300 ppm	20–250 ppm	20–75 ppm	3–10 ppm	20–40 ppm	0.1–2.0 ppm

    
    

    Important Ratios

    The N:S ratio should be between 10 and 15. Ratios above 18 are considered high and indicate a need for sulfur.

• DRIS Norms

  DRIS norms for ornamental cabbage have not been reported.

• Remarks

  Sufficiency ranges were developed based on experience and published ranges for similar crops.

• References

  Mills HA, Jones JB Jr. 1996. Plant analysis handbook II: a practical sampling, preparation, analysis, and interpretation guide. Athens (GA): MacroMicro Publishing, Inc.

  Plank CO. 1989. Plant analysis handbook for Georgia. Athens (GA): University of Georgia Cooperative Extension Service. 64 p.

Electronic Document Prepared by:
Catherine Stokes, Communication Specialist
Agronomic Division of the N.C. Department of Agriculture and Consumer Services. July 2000.