000			003020000a22001450004500
060			_a100
082			_a630.685 ADV.33
100			_aBrady, N C
245			_aAdvances in agronomy V.23
260			_aNewyork, Academic press
260			_c1980
300			_a374
650			_aAgronomy
942			_cBK
999			_c206369 _d206369