TY - BOOK AU - Caldwell, B.E AU - Howell, R.W AU - Johnson, H.W AU - Judd, R.W TI - Soybeans: improvement, production and uses T2 - Agronomy, a series of monograph U1 - 633.34 PY - 1973/// CY - Wisconsin PB - American Society of Agronomy KW - Soybean ER -