TY  - BOOK
AU  - Weaver,Robert John
TI  - Plant growth substances in agriculture
SN  - 0716708248
AV  - SB128 .W4
U1  - 631.5 
PY  - 1972///]
CY  - San Francisco
PB  - W. H. Freeman
KW  - Herbicides
KW  - Plant hormones
KW  - Plant regulators
N1  - Bibliography: p. [493]-562
ER  -