bls_1850-56_1975.pdf
bls_1850-62_1976.pdf
Duration of yellow nutsedge competitiveness after treatment with various herbicides
bls_1575-81_1968.pdf
bls_1850-87_1976.pdf
bls_1900-69_1977.pdf
bls_1900-23_1976.pdf
bls_1900-68_1977.pdf