Potato, Reduce Inputs, Enhance Output – Spain

In a potato farm in the Avila region in Spain, OCC colloidal nutrients [OCC with amino acids] were applied on VITALIA variety potatoes in combination with crop protection chemicals at various dosage reductions to assess their impact on control and yield.

Three treatments were applied to compare the performance against neighbouring plots which adopted standard cultivation practices. The results showed a significant yield improvement of 62 tons per hectare on the OCC plot over adjacent plots' yield of 40 to 45 tons per hectare.


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