共 18 条
[2]
BRUEHL GW, 1966, WASH STATE U EXP STN, V677
[3]
CONWAY M, 1978, OREGON STATE U USDA, P73
[4]
COOK RJ, 1976, WASHINGTON STATE U F, P38
[6]
GEORGE DW, 1976, WASHINGTON STATE U F, P57
[10]
KLOSTERMEYER EC, 1972, WASH STATE U AGR EXP, V553