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The Influence of Drip Irrigation on Water Efficiency in Pear Cultivation

Lepaja Lavdim, Lepaja Kujtim, Kullaj Endrit, Balaj Nexhat

Journal of Ecological Engineering

2024

Vol. 25, nr 7

241--245

This field experiment aimed to evaluate the impact of two distinct levels of irrigation, specifically drip irrigation, on a pear orchard to conserve water without compromising production. Kosovo boasts conducive conditions for tree cultivation; however, water scarcity, particularly during the vegetation period, necessitates supplementary irrigation. The study was carried out in the Dukagjini plain on a 10-hectare pear orchard, using a nested experimental design.. Per two levels of irrigation, for 13 rows with tress were used with 100% of evapotranspiration as control and 13 rows with 50% of deficit irrigation. One row were length 90 m and width 40 cm, in total area where applied irrigation were 936 m2. Using ANOVA, we detected significant fluctuations in total yield, the number of fruits, and fruit weight. With this technology in 100% irrigation have been achieved a total 7497 kg/900 trees or an average of 8.33 kg/tree while in 50% irrigation have been achieved 4590 kg/900 trees or 5.10 kg/tree. In classification of fruits 85.41% (100% irrigation) were extra class while 92.30% in 50% of irrigation. Our results confirmed that drip irrigation combined with a moderate water stress increase all productive parameters especiallity in total yield, too with significant water saving.

Effect of Biostimulants on Vegetative and Productive Response of Duke Blueberry

Lepaja Lavdim, Krasniqi Verina, Avdiu Vahid, Ibishi Lindita, Lepaja Kujtim

Ecological Engineering & Environmental Technology

2024

Vol. 25, iss. 6

66--71

This field experiment aimed to assess the effects of algal biostimulants (NPK + TE) and mycorrhiza on the vegetative and productive parameters of a blueberry orchard, as well as the shelf life of fruits at three different stages of harvest. Kosovo benefits from favorable agro-climatic conditions that support high-quality agricultural production. In response to the impact of climate change, the blueberry industry in Kosovo has increasingly adopted Algae biostimulants (NPK + TE) to adapt to changing climate conditions, enhance yields, and improve blueberry resilience against environmental stressors. The experiment was conducted in the Vushtria region on a 6-hectare blueberry orchard using a nested experimental design. The plants were planted at a distance of 1×3 meters, with a density of 3333 plants per hectare in 35-liter pots. The irrigation system used is spaghetti-shaped (4 spaghetti per pot), and the orchard is covered with an anti-hail system. ANOVA analysis revealed significant differences in the number of flowers, number of open flowers, leaf surface, number of fruit, total yield, and canopy volume. The obtained results indicate that the use of mycorrhiza positively affected the number of flowers, number of open flowers, and number of leaves, ultimately increasing yield and canopy volume compared to the use of algal biostimulants (NPK + TE). Additionally, treatment with chitosan at the beginning of the harvest extended the shelf life of fruits to 25 days, significantly longer than fruits treated with algal biostimulants (20 days) and in the control six days.