1. Symbiotic dinitrogen fixation by trees: an underestimated resource in agroforestry systems?

   • Pekka Nygren
   • María P. Fernández
   • Humberto A. Leblanc

   Review Article 16 November 2012 Pages: 123 - 160

   

2. Change in soil available phosphorus in relation to the phosphorus budget in China

   • Ning Cao
   • Xinping Chen
   • Fusuo Zhang

   Original Article 26 September 2012 Pages: 161 - 170

   

3. How much nitrogen is fixed by biological symbiosis in tropical dry forests? 1. Trees and shrubs

   • Leonardo Queiroz de Souza
   • Ana Dolores Santiago de Freitas
   • Rômulo Simões Cezar Menezes

   Original Article 29 September 2012 Pages: 171 - 179

4. How much nitrogen is fixed by biological symbiosis in tropical dry forests? 2. Herbs

   • Ana Dolores Santiago de Freitas
   • Everardo Valadares Sá Barretto de Sampaio
   • Rômulo Simões Cezar Menezes

   Original Article 30 November 2012 Pages: 181 - 192

5. Soil application of ash produced by low-temperature fluidized bed gasification: effects on soil nutrient dynamics and crop response

   • Dorette Müller-Stöver
   • Jesper Ahrenfeldt
   • Henrik Hauggaard-Nielsen

   Original Article 22 September 2012 Pages: 193 - 207

   

6. Soil nitrous oxide emissions under different management practices in the semiarid region of the Argentinian Pampas

   • Carolina Alvarez
   • Alejandro Costantini
   • Segundo Urquiaga

   Original Article 25 September 2012 Pages: 209 - 220

   

7. Greenhouse tomato–cucumber yield and soil N leaching as affected by reducing N rate and adding manure: a case study in the Yellow River Irrigation Region China

   • Ying Zhao
   • Jiang-Hang Luo
   • Wei-Li Zhang

   Original Article 27 September 2012 Pages: 221 - 235

   

8. Gross mineralization, nitrification and N₂O emission under different tillage in the North China Plain

   • Wenxu Dong
   • Chunsheng Hu
   • Dianming Wu

   Original Article 29 September 2012 Pages: 237 - 247

   

9. Carrot cropping on organic soil is a hotspot for nitrous oxide emissions

   • Per Weslien
   • Tobias Rütting
   • Leif Klemedtsson

   Original Article 04 November 2012 Pages: 249 - 253

   

10. Simulating impact of seasonal climatic variation on the response of maize (Zea mays L.) to inorganic fertilizer in sub-humid Ghana

    • B. Y. Fosu-Mensah
    • D. S. MacCarthy
    • E. Y. Safo

    Original Article 31 October 2012 Pages: 255 - 271

    

11. Effect of long-term application of organic amendment on C storage in relation to global warming potential and biological activities in tropical flooded soil planted to rice

    • Pratap Bhattacharyya
    • K. S. Roy
    • K. S. Rao

    Original Article 01 November 2012 Pages: 273 - 285

    

12. Use of the 15 N gas flux method to measure the source and level of N₂O and N₂ emissions from grazed grassland

    • Anne Baily
    • Catherine J. Watson
    • Philip Jordan

    Original Article 31 October 2012 Pages: 287 - 298

    

13. Covered storage reduces losses and improves crop utilisation of nitrogen from solid cattle manure

    • G. M. Shah
    • J. C. J. Groot
    • E. A. Lantinga

    Original Article 10 November 2012 Pages: 299 - 312