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Inhibiting effect of shallow seed burial on grass weed emergence

机译：浅埋种子对草杂草出苗的抑制作用

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The efficacy of superficial tillage as a sustainable tool to reduce the emergence of Digitaria sanguinalis, Setaria viridis, and Sorghum halepense was evaluated with field experiments. Seeds were buried at 1, 2, 5, and 10 cm of depth to simulate seed vertical distribution caused by autumn superficial tillage. Seedling emergence was monitored weekly for two years after sowing. The highest emergence was obtained in the first year after sowing and from 1 and 2 cm. Sorghum halepense was only slightly affected by seed burial, with 15% of emergence from 10 cm of depth, while D. sanguinalis was strongly affected, with 4% of emergence from 5 cm. The efficacy of superficial tillage as control tool could vary according to local weed flora.
机译：通过田间试验评估了浅耕法作为减少沙地黄柏，狗尾草和高粱的可持续手段的功效。将种子埋入1、2、5和10 cm的深度，以模拟秋季浅耕造成的种子垂直分布。播种后两年，每周监测一次幼苗出苗。播种后第一年和1到2 cm处出现的出苗率最高。高粱halepense仅受种子埋葬影响，深度为10 cm时出现15％，而D. sanguinalis受强烈影响，从5 cm处出现4％。浅层耕作作为控制工具的功效可能会因当地杂草区系而异。

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