Insects and nematodes in field beans, soybeans and sugarbeets
Ruppel, R.F., Laughlin, C.W.
Insects and nematodes in field beans, soybeans and sugarbeets - Michigan 1972 - 0.916666667 - No. 499; Michigan Co-operative .
Insects and nematodes in field beans, soybeans and sugarbeets - Michigan 1972 - 0.916666667 - No. 499; Michigan Co-operative .