Abstract:
Weeds are wild plants that grow and adapt to changing environmental
conditions, and can interfere with cultivated plants. This study aimed to
determine the composition and distribution of weeds in rice (Oryza sativa L)
agricultural land, Rimba Melintang District, Rokan Hilir Regency. This study
used survey method. Plots were determined by "purposive sampling". There
were10 plots and two transects in two fields (A and B) with a size per plot was 5
m x 5 m. The study found 13 families and 20 species with a total of 811
individual species in land A. In addition, there were 11 families and 18 species
with a total of 725 individual species in land B. The highest density value in land
A was showed by P. repens species (13,39) and the highest density value in the
field B was P. hemitomor species (14,21).
