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Copy link Higher yields in organic olives with Polysulphate®
cummulative yield increase
CICYTEX, Cáceres, Spain
cummulative yield increase
Key Conclusions
A three-year field trial in Cáceres, Spain tested Polysulphate on organic olive orchards. The results showed a 23% cumulative increase in olive yield, along with improved soil fertility and enhanced levels of key nutrients—particularly nitrogen, potassium, and calcium. The findings suggest Polysulphate contributes positively to both crop performance and long-term soil health.
Objective
To assess the effectiveness of Polysulphate compared to other nutrient sources in organic olive cultivation, using both broadcast and localized application under drip irrigation. The trial conducted at Finca Casas de Hitos in Cáceres by CICYTEX (Centro de investigaciones Científicas y Tecnológicas de Extremadura) aimed to evaluate differences in nutrient uptake and yield performance across methods.
Trial Details
Trial station
CICYTEX, Cáceres, Spain
Crop
Olive
Product
Polysulphate®
Assessments
Yield and quality
Treatments
All treatments were equalized to receive the same doses of macronutrients.
Treatments
All treatments were equalized to receive the same doses of macronutrients.
Results
- With Polysulphate, the cummulative yield for 3 consecutive years increased, obtaining by 23% more produce compared to the Control.
- The calcium content in leaves was higher with Polysulphate treatments than with the control treatment.
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