Legumes - INTA

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Soil organic matter • Organic C (SOC) in soil ranges between 200 t C/ha in top 30 cm (if 25 t/ha that equals 400 sheep) • Different pools (roots, fresh residues, living microbes, macrofauna represent
Role of legumes-soil carbon sequestration and land use change • Atmosphere contains 750 Gt (1Gt=10 9 g) of C as CO2 • Globally top meter of soils stores approx 1500 Gt in SOC and 900-1700 Gt as inorganic C and exchanges 60 Gt each year with the atmosphere Swedish University of Agricultural Sciences www.slu.se
Page 1 and 2: Legumes - moderating climate change
Page 3 and 4: Challenges for agriculture! • Foo
Page 5 and 6: The potential to moderate climate c
Page 7 and 8: Agricultural contribution of GHG em
Page 11 and 12: • 33 - 46 Gt N is annually fixed
Page 13 and 14: N2O emissions 5% of the green house
Page 15 and 16: Examples of total N2O emissions fro
Page 19 and 20: Reasons for this is that: • Legum
Page 21 and 22: Energy use by legume-based and N- f
Page 23 and 24: Fossil energy consumed by field pea
Page 25 and 26: Rationale for less energy use in le
Page 27: Role of legumes-soil carbon sequest
Page 31 and 32: C losses from the soil system • L
Page 33 and 34: Two scenarios: • Legume roots are
Page 35 and 36: Replacing fossil fuels? • Global
Page 37 and 38: Biomass production for bioenergy
Page 39 and 40: Replacing fossil fuels? • Althoug
Page 41 and 42: Data adopted from Jensen et al 2011
Page 43 and 44: Legume for diesel- Second-generatio
Page 45 and 46: Legumes as feedstocks for biogas pl
Page 47 and 48: Conclusion Need for new breeding pr
Page 49 and 50: Legumes as pharmaceuticals • seed
Page 51 and 52: Legumes contain condensed tannins a
Page 53 and 54: Legumes for use in future biorefine

Legumes - INTA

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