Effect
Siliforce treated Apple trees, cv. Red Jonathan, grown in an organic orchard, had no difference in yield per tree (+6.2%), no difference in yield per ha (+6.3%), no difference in fruit weight (+1%), no difference in fruit diameter (+1.5%), fruits had no difference in firmness (-1.5%), no difference in total soluble solids (-1.7%), no difference in acidity (-6.6%); no difference in color index (+0.6%), apple skin had no difference in flavan-3-ols content (+2.1%), hydroxycinnamic content (-7.1%), anthocyanin content (+28.7%), dihydro-chalcones content (+27%), flavonols (+75.5%), total phenolic content (+25.9%), N (=), P (-7.7%), K (-9.9%), Ca (+20.3%), Mg (-1.2%), B (+10.8%), Fe (+7.8%), Mn (+3.9%), Si (+45.4%) and Se content (+27.9%) compared to the untreated control.
