Experiments with plants and soils in laboratory, garden, and field
Edwards, F.E.
Experiments with plants and soils in laboratory, garden, and field - Berkeley 1910 - 1-35 p. - Soils, Plants, Experiments, Garden California Agriculture Experiment Station. Circular No. 58 .
Experiments with plants and soils in laboratory, garden, and field - Berkeley 1910 - 1-35 p. - Soils, Plants, Experiments, Garden California Agriculture Experiment Station. Circular No. 58 .