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Permanent, undisturbed, in-row living mulch: A realistic option to replace glyphosate-dominated chemical weed control in intensive pear orchards
Agriculture, Ecosystems & Environment ( IF 6.0 ) Pub Date : 2021-05-24 , DOI: 10.1016/j.agee.2021.107502
Andrej Paušič , Stanislav Tojnko , Mario Lešnik

The preservation of biodiversity and the improvement of soil fertility have become important goals in orchard management; therefore, the standard approach of weed control in the understory of tree rows by repeated frequent use of herbicides needs to be replaced by more sustainable methods. This study presents a technique for establishing a permanent autoregulatory non-competitive plant community as an alternative to herbicide treatment. For a practical demonstration of this weed control method, an experiment was conducted in a pear orchard during the 2015–2019 growing seasons. A permanent plant community was created in a 1 m wide strip under the trees by seeding three different grass and herb mixtures. Two types of control plots were also established (weed control treated with the herbicide glyphosate and weedy control). Several inventories of the species composition of the studied communities were conducted each season. The relationship between the proportions of plant biomass of native, non-seeded plants, and seeded plants was evaluated. The results of this experiment show that the long-term undisturbed development of understory communities not exposed to herbicides or mechanical weed control causes only a limited, statistically non-significant reduction in yield.



中文翻译:

永久,不受干扰的行内覆盖:替代密集型果园中草甘膦为主的化学杂草控制的现实选择

保护生物多样性和提高土壤肥力已成为果园管理的重要目标;因此,需要通过更可持续的方法来代替通过反复频繁使用除草剂来控制行树下层杂草的标准方法。这项研究提出了一种建立永久性自我调节非竞争性植物群落的技术,以替代除草剂处理。为了实际证明这种除草方法,我们在2015-2019年生长季节的梨园中进行了一项实验。通过播种三种不同的草和草药混合物,在树下1 m宽的地带中创建了一个永久性的植物群落。还建立了两种类型的防治地块(用除草剂草甘膦处理的杂草防治和杂草防治)。每个季节都对所研究社区的物种组成进行了一些清点。评价了天然,非播种植物和种子植物的植物生物量比例之间的关系。该实验的结果表明,未暴露于除草剂或机械除草剂的林下社区的长期无扰动发展仅导致产量的有限,统计学上无统计学意义的显着降低。

更新日期:2021-05-25
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