1. Nitrogen use efficiency and recovery in a wheat-corn rotation under tropical savannah conditions

   • Fernando Shintate Galindo
   • Edson Cabral da Silva
   • Marcelo Carvalho Minhoto Teixeira Filho

   Original Article 15 January 2021 Pages: 291 - 305

   

2. Nitrous oxide emissions with enhanced efficiency and conventional urea fertilizers in winter wheat

   • Haibo An
   • Jen Owens
   • Xiying Hao

   Original Article Open access 13 February 2021 Pages: 307 - 322

   

3. Biological N₂ fixation and yield performance of soybean inoculated with Bradyrhizobium

   • Jerri Édson Zilli
   • Rafael Sanches Pacheco
   • Mariangela Hungria

   Original Article 07 March 2021 Pages: 323 - 336

4. Nitrogen-use efficiency of organic and conventional arable and dairy farming systems in Germany

   • Lucie Chmelíková
   • Harald Schmid
   • Kurt-Jürgen Hülsbergen

   Original Article Open access 09 March 2021 Pages: 337 - 354

   

5. Real-time nitrogen management using decision support-tools increases nitrogen use efficiency of rice

   • Bandhu Raj Baral
   • Keshab Raj Pande
   • Upendra Singh

   Original Article 14 March 2021 Pages: 355 - 368

   

6. δ¹⁵N–N₂O signatures in response to N fertilization in a wheat–maize rotation

   • Yuying Wang
   • Wenxu Dong
   • Chunsheng Hu

   Original Article 15 March 2021 Pages: 369 - 387

   

7. Farm-scale phosphorus budgets of beef cow-calf operations

   • Marta M. Kohmann
   • Amartya Saha
   • Carolina B. Brandani

   Original Article 19 March 2021 Pages: 389 - 403

   

8. Nitrous oxide emissions from manured, no-till corn systems

   • María A. Ponce de León
   • Curtis J. Dell
   • Heather D. Karsten

   Original Article 26 March 2021 Pages: 405 - 421

   

9. Zinc application enhances yield and alters micronutrients concentration in pigeonpea (Cajanus cajan L. Millsp.)

   • Sanjib Kumar Behera
   • Arvind Kumar Shukla
   • Anil Kumar Singh

   Original Article 26 March 2021 Pages: 423 - 443