Variable grain legume yields, responses to phosphorus and rotational effects on maize across soil fertility gradients on African smallholder farms Shamie ZingoreHebert K. MurwiraKen E. Giller Research Article 17 July 2007 Pages: 1 - 18
Changes in nitrogen budgets and nitrogen use efficiency in the agroecosystems of the Changjiang River basin between 1980 and 2000 Chen LiuMasataka WatanabeQinxue Wang Research Article 12 July 2007 Pages: 19 - 37
Net N immobilisation during the biodegradation of mucilage in soil as affected by repeated mineral and organic fertilisation Christophe NguyenFabienne FrouxChristophe Robin Research Article 12 July 2007 Pages: 39 - 47
Crop responses to 15N-labelled organic and inorganic nitrogen sources Ahmed El-NaggarAhmed El-ArabyHenning Høgh-Jensen Research Article 27 July 2007 Pages: 49 - 60
Effects of cropping history and phosphorus source on yield and nitrogen fixation in sole and intercropped cowpea–maize systems Jens M. VesteragerNiels E. NielsenHenning Høgh-Jensen Research Article 05 July 2007 Pages: 61 - 73
Modeling of nitric oxide emissions from temperate agricultural soils M.-N. RollandB. GabrielleP. Cellier Research Article 01 August 2007 Pages: 75 - 93
Groundwater quality in an irrigated, agricultural area of northern Malayer, western Iran Mohsen JalaliZahra Kolahchi Original Research 17 August 2007 Pages: 95 - 105