LEADER 00000nam 2200217 a 4500 001 0597418 003 UkHlHU 007 t 008 002603 2 1927 000 eng 040 UkHlHU 050 4 SB 221 100 0 Pittman, D.W. 245 00 Causes of increased yeilds of sugar beets. 300 0000p. 650 0 Field crops. 650 0 Sugar|xAgriculture. 650 0 Sugar beet|xAgriculture. 700 0 Fonder, J.F.
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