The effect of irrigation in combination with soil cultivation on distribution, migration and content of nitrate and copper in the soils of olive groves
Maja PODGORNIK
The more frequent and intense extreme weather events (higher temperatures – the intensity and frequency of heat weaves, more and longer periods of drought) and weather-related diseases and pests, that have caused the greatest damage to olive production in the recent years, are a warning that urgent changes to Slovenian olive culture are needed. Due to the realisation that adaptations of agricultural production to climatic changes can have negative effects on the environment (water, soil), we conducted an experiment to determine the actual effect of adaptations of agro-technical management on the dynamics of nitrate and copper in the soil. The results of the study have shown that irrigation in combination with the technology of soil cultivation have effect on the allocation, migration and content of nitrate and copper in the soil of olive groves. Along with the fact that applied water allows the undisturbed absorption of nutrients into the plant, it can also improve the conditions for mineralisation and decomposition of organic matter, which is heavily dependent on the type of soil cultivation.
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