Agro ecosystems 1 Agronomic management of soil and crop 1 Changing and opportunities in precision agriculture 1 Conservation Agriculture on Chernozems in The Republic of Moldova 1 Conservation agriculture 1 Ecological consequence of biofuels 1 Enhancing Soil and Landscape Quality in Small Holder 1 Experience on Conservation Agriculture 1 Farming system and food security 1 Historical evolution and recent advances in precision farming 1 Irrigation and soil water management 1 Management 1 Opportunities and challenges of biofuel production 1 Raw meterials for biofuels 1 Small Holder Farming and Global Food Security 1 Soil Management 1 Soil Management for Sustainable Agriculture 1 Soil fertility assessed by infrared spectroscopy 1 Soil process and Harvest management 1 Tools of watershed management 1 Water and agronomic productivity 1 Water resource and agriculture 1 biomass energy 1 soil erosion 1