“…August 1984. The same experiment was used simultaneously by Hattendorf (1986) construction and operation of the weather shelter have been described by others (Harder, 1979;Snyder, 1980;Ruiz-Vega, 1982). The potometers were last used in the summer of 1981 when they were planted to soybeans (Ruiz-Vega, 1982…”