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Efforts have been made in recent years to improve knowledge about soil greenhouse gas (GHG) fluxes from sub-Saharan Africa. However, data on soil GHG emissions from smallholder coffee-dairy systems have not hitherto been measured experimentally. This study aimed to quantify soil GHG emissions at ...


Ortiz Gonzalo, DanielNeergaard, Andreas deVaast, PhilippeSuárez-Villanueva, VíctorOelofse, MylesRosenstock, Todd S.[Multi-scale measurements show limited soil greenhouse gas emissions in Kenyan smallholder coffee-dairy systems]Multi-scale measurements show limited soil greenhouse gas emissions in Kenyan smallholder coffee-dairy systems

Global rice production systems face two opposing challenges: the need to increase production to accommodate the world's growing population while simultaneously reducing greenhouse gas (GHG) emissions. Adaptations to drainage regimes are one of the most promising options for methane mitigation in ...


Islam, Syed Faiz-ulGroenigen, Jan Willem vanJensen, Lars S.Sander, Bjoern OleNeergaard, Andreas de[The effective mitigation of greenhouse gas emissions from rice paddies without compromising yield by early-season drainage]The effective mitigation of greenhouse gas emissions from rice paddies without compromising yield by early-season drainage

Greenhouse gas (GHG) mitigation strategies are often constrained by rice farmers’ preferences, therefore an assessment of mitigation strategies taking farmers’ constraints into consideration, are important for their pos- sible adoption. The field experiments were conducted for two continuous rice...


Tariq, AzeemDuong Vu, QuynhJensen, Lars S.Tourdonnet, Stephane deSander, Bjoern OleWassmann, ReinerVan Mai, TrinhNeergaard, Andreas de[Mitigating CH4 and N2O emissions from intensive rice production systems in northern Vietnam: Efficiency of drainage patterns in combination with rice residue incorporation]Mitigating CH4 and N2O emissions from intensive rice production systems in northern Vietnam: Efficiency of drainage patterns in combination with rice residue incorporation

Elevated greenhouse gas (GHG) emissions, particularly of methane (CH4) from flooded rice production systems contribute to global warming. Different crop management strategies, such as drainage of paddy soils and climate-smart residue management, are essential in order to mitigate GHG emissions fr...


Tariq, AzeemJensen, Lars S.Tourdonnet, Stephane deSander, Bjoern OleNeergaard, Andreas de[Early drainage mitigates methane and nitrous oxide emissions from organically amended paddy soils]Early drainage mitigates methane and nitrous oxide emissions from organically amended paddy soils

Shifting cultivation is practiced by millions of farmers in the tropics and has been accused of causing deforestation and keeping farmers in poverty. The assumed positive relationship between fallow length and crop yields has long shaped such negative opinions on the sustainability and environmen...


Mertz, O.Wadley, R.L.Nielsen, U.Bruun, T.B.Colfer, C.J.P.Neergaard, Andreas deJepsen, M.R.Martinussen, T.Qiang ZhaoNoweg, G.T.Magid, J.[A fresh look at shifting cultivation: fallow length an uncertain indicator of productivity]A fresh look at shifting cultivation: fallow length an uncertain indicator of productivity

Greenhouse gas (CH4 and N2O) emissions from rice paddy fields amended by differently treated manure and crop residue inputs [fresh manure (FM), composted manure (CM), liquid biogas digestate from manure (D), D mixed with biochar (D ? B) or D mixed with rice straw and composted before application ...


Vu, Quynh DuongNeergaard, Andreas deTran THoang QLy, ProyuthTran TJensen L[Manure, biogas digestate and crop residue management affects methane gas emissions from rice paddy fields on Vietnamese smallholder livestock farms]Manure, biogas digestate and crop residue management affects methane gas emissions from rice paddy fields on Vietnamese smallholder livestock farms

Climate-smart approaches have gained momentum in tropical, agricultural development. However, to date, few studies have examined whole-farm greenhouse gas (GHG) balances in smallholder crop-livestock systems. This study aimed to quantify GHG balances at farm-scale, identify GHG hotspots and asses...


Ortiz Gonzalo, DanielVaast, PhilippeOelofse, MylesNeergaard, Andreas deAlbrecht, AlainRosenstock, Todd S.[Farm-scale greenhouse gas balances, hotspots and uncertainties in smallholder crop-livestock systems in Central Kenya]Farm-scale greenhouse gas balances, hotspots and uncertainties in smallholder crop-livestock systems in Central Kenya

While an increasing number of large food companies commit themselves to source only certified cocoa, research on the impacts of certification on cocoa farmers is falling behind. We investigate how Rainforest Alliance (RA) certification of smallscale cocoa farmers in Ghana has affected both the fi...


Fenger, N.A.Bosselmann, A.S.Asare, R.Neergaard, Andreas de[The impact of certification on the natural and financial capitals of Ghanaian cocoa farmers]The impact of certification on the natural and financial capitals of Ghanaian cocoa farmers

This study investigated the effects of different mixing ratios of crop residues and biochar with liquid digestate from anaerobically treated pig manure on CH4, CO2, and N2O emissions over 84 days in a system of passive aeration composting, resembling typical Vietnamese solid manure storage condit...


Vu, Quynh DuongNeergaard, Andreas deTran, TDHoang, HTTVu, VTKJensen, Lars S.[Greenhouse gas emissions from passive composting of manure and digestate with crop residues and biochar on small-scale livestock farms in Vietnam]Greenhouse gas emissions from passive composting of manure and digestate with crop residues and biochar on small-scale livestock farms in Vietnam
McNicol, I.M.Berry, N.J.Bruun, T.B.Hergoualc'h, KristellMertz, O.Neergaard, Andreas deRyan, C.M.[Development of allometric models for above and belowground biomass in swidden cultivation fallows of Northern Laos]Development of allometric models for above and belowground biomass in swidden cultivation fallows of Northern Laos

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