TY - BOOK AU - T.Conant,Richard ED - Plant production and protection division ED - Food and agriculture organization of the United Nations TI - Challenges and opportunities for carbon sequestration in grassland systems: A technical report on grassland management and climate chnge mitigation SN - 978-92-5-106494-8 PY - 2010/// CY - Rome PB - Food and agriculture organization of the United Nations KW - Agriculture ER -