1. Integrated N management improves nitrogen use efficiency and economics in a winter wheat–summer maize multiple-cropping system

   • Haiyan Liang
   • Xueling Zhang
   • Xiaoxia Wen

   Original Article 31 August 2019 Pages: 313 - 329

   

2. Zizania aquatica–duck ecosystem with recycled biogas slurry maintained crop yield

   • Guiliang Wang
   • Jianghong Zhang
   • Lingyu Zhu

   Original Article 04 September 2019 Pages: 331 - 345

   

3. Lime and gypsum combination improves crop and forage yields and estimated meat production and revenue in a variable charge tropical soil

   • Carlos A. C. Crusciol
   • Rubia R. Marques
   • Alan J. Franzluebbers

   Original Article 05 September 2019 Pages: 347 - 372

   

4. Nitrogen fertilizer rate increases plant uptake and soil availability of essential nutrients in continuous maize production in Kenya and Zimbabwe

   • Heather R. Pasley
   • Jill E. Cairns
   • Tony J. Vyn

   Original Article Open access 07 September 2019 Pages: 373 - 389

   

5. Crop performance, biological N fixation and pre-crop effect of pea ideotypes in an organic farming system

   • Gabriele Gollner
   • Walter Starz
   • Jürgen K. Friedel

   Original Article Open access 09 September 2019 Pages: 391 - 405

   

6. Farmyard manure improves phosphorus use efficiency in weathered P deficient soil

   • Andry Andriamananjara
   • Tovohery Rakotoson
   • Dominique Masse

   Original Article 11 September 2019 Pages: 407 - 425

   

7. Maize yield and economic return with controlled-release urea

   • Hongyin Zhou
   • Min Zhang
   • Yongshan Wan

   Original Article 12 September 2019 Pages: 427 - 440

   

8. Nitrogen provisioned and recycled by cover crops in monoculture and mixture across two organic farms

   • Ashley A. Holmes
   • Ashley A. Thompson
   • Sam E. Wortman

   Original Article 14 September 2019 Pages: 441 - 453

   

9. Greenhouse gas emissions from gradually-filled liquid dairy manure storages with different levels of inoculant

   • V. Sokolov
   • A. VanderZaag
   • R. Gordon

   Original Article 18 September 2019 Pages: 455 - 467