Soil fertility and crop yields in long-term organic and conventional cropping systems in Eastern Nebraska
Wortman, Sam E., Galusha, Tomie D., Mason, Stephen C., Francis, Charles A.Volume:
27
Langue:
english
Journal:
Renewable Agriculture and Food Systems
DOI:
10.1017/s1742170511000317
Date:
September, 2012
Fichier:
PDF, 301 KB
english, 2012