Weed occurrence and competitive characteristic under different cultivation types of rice (Oryza sativa L.) 3. Difference in weed occurrence and rice growth under the competitive periods
Weed occurrence and competitive characteristic under different cultivation types of rice (Oryza sativa L.) 1. Distribution and dominance of weed and rice
Emergence of weed species and their competitive characteristic in direct-seeded rice (Oryza sativa.) 1. Distrubution and growth of weeds in direct-seeded rice