Effect of Differential Nitrogen, Potassium, and Magnesium Supply to Young Valencia Orange Trees in Sand Culture on Mineral Composition Especially of Leaves and Fibrous Roots.
Smith
P F
PF
U. S. HORTICULTURAL FIELD STATION, ORLANDO, FLORIDA.
Reuther
W
W
Specht
A W
AW
Hrnciar
G
G