Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 18 ISSUE 4
Written by Mariana BURCEA

The biological properties of the soil are important because they are closely related to soil physico-chemical properties and plants’ health. Thus, the diversity of species, their number and their functions are indicators sensitive to changes in soil properties due to agricultural practices. From a biological point of view, improving the physical and chemical properties of the soil creates favourable conditions for the activity of the microorganisms and for the growth of the plant roots. Soil breathing is one of the soil's properties, determined by the plant roots’ activity and microorganisms living in the soil, an activity that is appreciated by the carbon dioxide production (CO2 emission) from the organisms that live in the soil. The research calls into question the soil breathing process under two crops, wheat and corn, following the impact of various soil technological processes on this respiration potential, on experimental variations such as conventional tillage, superficial tilling, disc harrowing and no tillage soil. From research in the field, soil breathing rates vary significantly between major plant biomasses, suggesting that the type of vegetation influences the rate of soil respiration.

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