Variability in Soil Test Potassium and Crop Yield
IPNI-1999-USA-IA9
Antonio Mallarino, Iowa State University
Department of Agronomy
Phone: 515-294-6200
Fax: 515-294-2458
Email:
3216 Agronomy Hall
Ames, IA
50011-0001
Department of Agronomy
Phone: 515-294-6200
Fax: 515-294-2458
Email:
3216 Agronomy Hall
Ames, IA
50011-0001