1. Nitrogen, phosphorus, and potassium budgets in Indian agriculture

   • H. Pathak
   • S. Mohanty
   • A. Bhatia

   Research Article 25 June 2009 Pages: 287 - 299

   

2. Crop response of aerobic rice and winter wheat to nitrogen, phosphorus and potassium in a double cropping system

   • Xiao Qin Dai
   • Hong Yan Zhang
   • B. A. M. Bouman

   Reseach Article 20 June 2009 Pages: 301 - 315

   

3. Effect of organic and inorganic phosphorus sources on maize yields in an acid soil in western Kenya

   • P. A. Opala
   • J. R. Okalebo
   • P. Kisinyo

   Research Article 20 June 2009 Pages: 317 - 329

4. Emissions of N₂O from fertilized and grazed grassland on organic soil in relation to groundwater level

   • C. L. van Beek
   • M. Pleijter
   • P. J. Kuikman

   Research Article Open access 04 July 2009 Pages: 331 - 340

   

5. Potassium supplying capacity of some tropical alfisols in southwest Nigeria as measured by intensity, quantity and capacity factors

   • A. A. Taiwo
   • M. T. Adetunji
   • T. Bamgbose

   Research Article 19 June 2009 Pages: 341 - 355

6. Loss of nitrogen from urea applied to rainfed wheat in varying rainfall zones in northern Syria

   • M. Abdel Monem
   • W. L. Lindsay
   • J. Ryan

   Research Article 04 July 2009 Pages: 357 - 366

7. Stratification of soil phosphorus, pH, and macro-cations under intensively cropped grass ley

   • Into Saarela
   • Martti Vuorinen

   Reseach article 12 July 2009 Pages: 367 - 381

   

8. ¹⁵N isotopic crop residue cycling studies and modeling suggest that IPCC methodologies to assess residue contributions to N₂O-N emissions should be reevaluated

   • Jorge A. Delgado
   • Stephen J. Del Grosso
   • Stephen M. Ogle

   Research Article 24 July 2009 Pages: 383 - 390

   

9. Soil organic carbon fractions after 16-years of applications of fertilizers and organic manure in a Typic Rhodalfs in semi-arid tropics

   • K. Banger
   • G. S. Toor
   • K. Sudhir

   Research Article 26 July 2009 Pages: 391 - 399

   

10. Method and timing of grassland renovation affects herbage yield, nitrate leaching, and nitrous oxide emission in intensively managed grasslands

    • G. L. Velthof
    • I. E. Hoving
    • O. Oenema

    Research article Open access 15 August 2009 Pages: 401 - 412

    

11. Trade-off between productivity enhancement and global warming potential of rice and wheat in India

    • A. Bhatia
    • H. Pathak
    • N. Jain

    Original Article 01 August 2009 Pages: 413 - 424

    

12. Long-term effects of balanced fertilization on grass forage yield, quality and nutrient uptake, soil organic C and N, and some soil quality characteristics

    • S. S. Malhi
    • M. Nyborg
    • Y. K. Soon

    Research Article 05 August 2009 Pages: 425 - 438