Aggregate stability and visual evaluation of soil structure in biodynamic cultivation of Burgundy vineyard soils

IF 1.4 4区 农林科学 Q3 AGRONOMY
J. Fritz, F. Lauer, Anne Wilkening, P. Masson, S. Peth
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Abstract

ABSTRACT An on-vineyard approach was used to investigate effects of the biodynamic preparations horn manure and horn silica (BD) on the soil structure in five vineyards on different bedrocks and that had been under organic management for different time periods. The underlying hypothesis was that the effects of the biodynamic preparations increase aggregate stability and improve soil structure. The results showed that soil aggregate stability during wet sieving was not different in the treatment with biodynamic preparations (BD+), compared with that without preparations (BD-). Based on visual evaluation (VESS), improvements in soil structure in the BD+ treatment, compared with BD-, were not significant for macropores/biopores, drop test topsoil or subsoil colour, but significant improvements were observed in drop test subsoil (p = 0.009), topsoil colour (p < 0.000), root penetration (p = 0. 017), structure of surface (stable aggregates, little encrustation, p = 0.006), structure of topsoil (p = 0.030), structure of subsoil (p < 0.000) and the colour change from topsoil to subsoil was at a greater depth (p = 0.049). Based on previously reported results showing significant changes in the microbial activity in soil from the BD+ treatment, using the same soil samples, it was thought possible that the observed differences in soil structure between BD+ and BD- were linked to the differences in the microbial activity.
勃艮第葡萄园土壤生物动力栽培中团聚体的稳定性和土壤结构的可视化评价
摘要采用葡萄园内方法,研究了角粪肥和角硅石(BD)生物动力制剂对不同基岩和有机管理不同时期的五个葡萄园土壤结构的影响。基本假设是,生物动力制剂的作用增加了骨料的稳定性,改善了土壤结构。结果表明,生物动力制剂(BD+)处理土壤团聚体的湿筛稳定性与不加制剂(BD-)处理相比没有差异。根据视觉评估(VESS),与BD-相比,BD+处理的土壤结构在大孔/生物孔、跌落试验表层土或底土颜色方面没有显著改善,但在跌落试验底土(p=0.009)、表层土颜色(p<0.000)、根系穿透(p=0。017),表层结构(稳定的聚集体,很少结垢,p=0.006),表层土结构(p=0.030),底土结构(p<0.000),从表层土到底土的颜色变化更大(p=0.049)。根据先前报道的结果,使用相同的土样,BD+处理后土壤中的微生物活性发生了显著变化,认为BD+和BD-之间观察到的土壤结构差异可能与微生物活性的差异有关。
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来源期刊
Biological Agriculture & Horticulture
Biological Agriculture & Horticulture 农林科学-农艺学
CiteScore
3.30
自引率
6.70%
发文量
18
审稿时长
>36 weeks
期刊介绍: Biological Agriculture & Horticulture aims to act as the central focus for a wide range of studies into alternative systems of husbandry, and particularly the biological or organic approach to food production. The Journal publishes work of a sound scientific or economic nature related to any aspect of biological husbandry in agriculture, horticulture and forestry in both temperate and tropical conditions, including energy and water utilization, and environmental impact.
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