The effect of calcium on fruit berries of the ′Clery′ variety

Leta 2010 smo v nasadu jagod v kraju Zrkovci v bližini Maribora izvedli poskus, v katerem smo opazovali vpliv različnih kalcijevih foliarnih gnojil na pridelek jagod. Poskus smo izvajali na jagodah sorte clery, posajenih v visokem tunelu, kjer so bili trije grebeni pokriti s črno folijo, pod katero je bil kapljični namakalni sistem. Uporabili smo štiri vrste različnih kalcijevih foliarnih gnojil, Calciogreen, Lithovit, Newcal, ter kombinacijo vseh treh foliarnih gnojil, vsakega na svoji parcelici, ena od parcelic je bila brez foliarnega gnojila, ta je predstavljala kontrolo. Ob obiranju smo spremljali maso plodov, število plodov na rastlino ter obstojnost plodov jagod pri sobni temperaturi za vsako parcelico posebej. Iz rezultatov je razvidno, da uporabljena sredstva nimajo vpliva na maso in število plodov, prav tako ni možno ugotoviti pozitivnega vpliva kalcijevih pripravkov na obstojnost plodov pri sobni temperaturi po obiranju.In 2010, we conducted an experiment on Clery strawberries at a strawberry farm in Zrkovci near Maribor, where we observed the impact of different calcium foliar fertilizers. The experiment was carried out in a high tunnel, where three ridges were covered with black foil and had a drip irrigation system. We used four calcium foliar fertilizers: Calciogreen, Lihovit and Newcal, and a combination of them all, each on their plot, and one plot was without any fertilizers, a control plot. We controlled the fruits’ mass, the number of fruits per plant and the fruits storage capacity, for each plot separately. We found that calcium foliar fertilizers do not impact on the mass and the number of fruits, also it is not possible to determine the positive effect of calcium foliar fertilizers on the fruits’ storage capacity