engleski

Evaluation of soil suitability for organic agriculture

The agrochemical soil properties are very important for determining fertility and suitability of soil for conventional and organic agricultural production. The aim of this study was to evaluate the suitability of the analyzed soil of eastern Croatia for organic agricultural production based on agrochemical soil properties. In this study is an evaluation of the soil suitability on the example of arable land and orchard based on selected agrochemical soil properties: pH reaction, SOM and mineralization potential, macro and microelement availability and total heavy metal content. Most of the agrochemical properties of the soil were found to be very favorable, analyzed soils had a medium mineralization potential, slightly alkaline to slightly acidic pH, poorly available phosphorus, potassium, manganese and poor to medium available zinc. Basic soil properties (especially the availability of phosphorus and microelements) is possible to improve by regular application of organic fertilizers. It is convenient to use composts, green fertilizer and other organic fertilizers with increased phosphorus content. Very low concentration of almost all essential and toxic heavy metals, especially the most detrimental Hg, Cd and Pb are very significant favorable properties of analyzed soils showing high suitability for organic agricultural production.

soil pH ; mineralization ; available nutrients in soil ; heavy metals

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