1. Long-term potash application and wheat straw return reduced soil potassium fixation and affected crop yields in North China

   • Deshui Tan
   • Zhaohui Liu
   • Jie Li

   Original Article 18 April 2017 Pages: 121 - 133

   

2. Soil organic carbon contents as a result of various organic amendments to a vertisol

   • Keke Hua
   • Daozhong Wang
   • Zhibin Guo

   Original Article 06 April 2017 Pages: 135 - 148

   

3. Agronomic effectiveness of an organically enhanced nitrogen fertilizer

   • John H. Winings
   • Xinhua Yin
   • Arnold M. Saxton

   Original Article 10 April 2017 Pages: 149 - 161

   

4. Ammonia emissions from urine patches amended with N stabilized fertilizer formulations

   • W. Burchill
   • G. J. Lanigan
   • K. G. Richards

   Original Article 20 April 2017 Pages: 163 - 175

   

5. How winter cover crops and tillage intensities affect nitrogen availability in eggplant

   • Emanuele Radicetti
   • Enio Campiglia
   • Roberto Mancinelli

   Original Article 05 May 2017 Pages: 177 - 194

   

6. Leaching losses from Kenyan maize cropland receiving different rates of nitrogen fertilizer

   • T. A. Russo
   • K. Tully
   • C. Neill

   Original Article Open access 16 May 2017 Pages: 195 - 209

   

7. Irrigation and nitrogen managements affect nitrogen leaching and root yield of sugar beet

   • Mehdi Barzegari
   • Ali Reza Sepaskhah
   • Seyed Hamid Ahmadi

   Original Article 08 May 2017 Pages: 211 - 230

   

8. Modeling farm nutrient flows in the North China Plain to reduce nutrient losses

   • Zhanqing Zhao
   • Zhaohai Bai
   • Lin Ma

   Original Article 12 May 2017 Pages: 231 - 244