TY  - JA
AU  - Naka,S.
TI  - Studies on methods of mechanical weed control for upland farming
SN  - 0549-5873
U1  - 82-714720 
PY  - 1981///
KW  - Equipment
KW  - Plant protection
KW  - Weed control
KW  - AGROVOC
KW  - Weeds
N1  - 57 ref.; Summary (En)
T2  - Journal of the Central Agricultural Experiment Station
ER  -