Precision agriculture and soil tillage
Gerd Sparovek E Schung; International Symposium of the International Scientific Centre of Fertilizers (CIEC) (12. 2000 Suceava)
Role of fertilizrs in sustainable agriculture; proceedings Suceava, 2000Suceava 2000
Available at ESALQ - Biblioteca Central (PI 1212007 ) and other locations(GetIt)