Soil Moisture taken with a neutron probe 1969-1974 from 11 sites: Weekly

These original basic fertilization experiments were started to give preliminary information for designing future experiments and to study basic long term fertilization responses in a range of age classes for the dominant forest types of interior Alaska. In addition, the instrumentation of the control plots provide long term information on various environmental parameters. No fertilization or growth measurements were done in the black spruce stands.