Rose yield

In commercial production, rose yield is calculated as the number of standard cut stems obtained per square meter of usable greenhouse area per year. When calculating, agronomists distinguish between gross biological yield and marketable product, as some shoots are used for bending to develop the leaf canopy and maintain photosynthesis.

Productivity levels depend significantly on the intensity of the technologies used: in modern greenhouse complexes employing supplemental lighting, indicators reach 150–200 stems per square meter. A yield of less than 100 stems per square meter usually signals a need to adjust the microclimate, mineral nutrition, or replace the cultivar composition.

The yield metric is directly influenced by light intensity, carbon dioxide concentration, and bush training techniques. Optimizing mineral nutrition and using growth regulators allow for an increase in both the output of flower stems and their qualitative characteristics, such as stem length and strength.