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本文通过大量的田间调查,摸清了松辽生态区稻田恶性杂草—扁秆蔗草(Scir-pus Planiculmis Schmidt)种群动态变化规律,提出了灭草关健期,为制定科学的灭草方案,有效地控制草害,保证水稻的优质高产,提供了必要的理论根据。
In this paper, a large number of field surveys were conducted to find out the rule of population dynamics of Scir-pus Planiculmis Schmidt, an important weed in paddy field in Songliao Eco-district, , To effectively control grass-roots damage and ensure high quality and high-yield rice provide the necessary theoretical basis.