TY  - JA
AU  - Ervioe,L.R.
TI  - Competition between barley and annual weeds at different sowing densities
SN  - 0570-1538
U1  - 85-065233 
PY  - 1983///
KW  - Annual weeds
KW  - Biological competition
KW  - Hordeum vulgare
KW  - Seeding rates
N1  - 4 graphs, 7 tables; 11 ref. Summaries (En, Fi)
T2  - Annales Agriculturae Fenniae
ER  -