000 00545 a2200133 4500
080 _a633.16
_bN 988 B
245 1 _aBarley-climate relationships and the use of phenology in ascertaining the thermal and photo-thermal requirements of barley based on data of North America and of some thermally analogous area of North America in the Soviet Union, Finland, Poland and Czechoslovakia
_cby M.Y. Nuttonson
260 _aWashington
_c1957
650 _aBarley
650 _aClimate
100 1 _aNuttonson, M.Y.
_d
300 _a280 p.
901 _a55741
999 _c47471
_d47471