Soil science Food security Soil Management Soils Agriculture Agronomic management of soil and crop Air slaking Biofuel production Biofuels Biomass Energy Enviornmental aspects Biomass energy CARBON SOURCES COMPONENTS NITROGEN AVAILABILITY Carbon contents Changing and opportunities in precision agriculture Climate changes Conservation Agriculture on Chernozems in The Republic of Moldova Conservation agriculture Crop yields Crops and climate Earthworm Ecological consequence of biofuels Ecological consequences of biofuel Enhancing Soil and Landscape Quality in Small Holder Experience on Conservation Agriculture Farming system and food security Food Security; Soil Quality Food supply HEAVY METAL SOLUBILITY IN SOIL Historical evolution and recent advances in precision farming