Nitrogen in soils, plants, surface water and shallow groundwater in a bahiagrass pasture of Southern Florida, USA Gilbert C. SiguaRobert K. HubbardMimi Williams Research Article 28 April 2009 Pages: 175 - 187
Nutrient recycling and physical indicators of an alley cropping system in a sandy loam soil in the pre-Amazon region of Brazil Alana das Chagas Ferreira AguiarSilvio José BicudoEmanoel Gomes de Moura Original article 08 May 2009 Pages: 189 - 198
Relative efficiency of diammonium phosphate and mussoorie rock phosphate on productivity and phosphorus balance in a rice–rapeseed–mungbean cropping system S. N. SharmaR. PrasadDinesh Kumar Original article 19 May 2009 Pages: 199 - 209
Nitrogen and biofuels; an overview of the current state of knowledge Jan Willem ErismanHans van GrinsvenAlbert Bleeker Research Article 06 June 2009 Pages: 211 - 223
Differential retention of carbon, nitrogen and phosphorus in grassland soil profiles with long-term manure application D. A. AngersM. H. ChantignyD. Côté Research Article 06 June 2009 Pages: 225 - 229
N2O fluxes from the native and grazed semi-arid steppes and their driving factors in Inner Mongolia, China Xing-Ren LiuYun-She DongSheng-Gong Li Research article 10 June 2009 Pages: 231 - 240
Effects of soil and crop management practices on yields, income and nutrients losses from upland farming systems in the Middle Mountains region of Nepal Krishna R. TiwariBishal K. SitaulaTrond Børresen Research Article 06 June 2009 Pages: 241 - 253
Fertilization effects on yield sustainability and soil properties under irrigated wheat–soybean rotation of an Indian Himalayan upper valley Ranjan BhattacharyyaS. C. PandeyH. S. Gupta Research Article 07 June 2009 Pages: 255 - 268
Influence of agronomic management of legume crops on soil accumulation with nitrate Gerard E. O’ConnorJeffrey EvansRon Theo Original Article 18 June 2009 Pages: 269 - 286
