Abstract
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.
Highlights
THE EFFECT OF IRRIGATION IN COMBINATION WITH SOIL CULTIVATION ON DISTRIBUTION, MIGRATION AND CONTENT OF NITRATE AND COPPER IN THE SOILS OF OLIVE GROVES
V letu 2010 smo v oljčniku 'Istrska belica' na lokacijah Strunjan in Dekani zasnovali poskus spremljanja nitrata v odcedni vodi in tleh ter vsebnost bakra v tleh
Na vsaki izbrani lokaciji smo na namakanih in nenamakanih površinah od 1.8.2010 do 16.11.2011 spremljali vsebnost nitrata v odcedni vodi in tleh in od 19.8.2010 do 21.7.2011 vsebnost bakra v tleh
Summary
V letu 2010 smo v oljčniku 'Istrska belica' na lokacijah Strunjan in Dekani zasnovali poskus spremljanja nitrata v odcedni vodi in tleh ter vsebnost bakra v tleh. Na vsaki izbrani lokaciji smo na namakanih in nenamakanih površinah od 1.8.2010 do 16.11.2011 spremljali vsebnost nitrata v odcedni vodi in tleh in od 19.8.2010 do 21.7.2011 vsebnost bakra v tleh. Količine dodane vode na poskusnih lokacijah so predstavljene v Preglednici 1. Tako v Dekanih kot v Strunjanu dodane količine dušika niso dosegle dovoljene mejne vrednosti letnega vnosa dušika (90 kg ha-1), ki jo Tehnološka navodila za integrirano pridelavo (2011) predpisujejo za oljke. Dne 30.7.2010 je prišlo do okvare DL6 Tensimeter Data Logger-ja, zato podatki o porabi vode niso znani. 7. 2010 je prišlo do okvare DL6 Tensimeter Data Logger-ja, zato podatki o porabi vode niso znani
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