Effect of tractor traffic and N fertilization on the root morphology of grass/red clover mixture

Głąb, Tomasz

doi:10.1016/j.still.2013.08.004

Cited by 16 publications

(4 citation statements)

References 41 publications

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“…The enhanced increase in penetration resistance to the specific depth observed in our study (especially after twelve weeks of plant growth in series with substrate additions) is consistent with observations of other authors (Głąb, 2013a;Laboski et al, 1998;Zhao et al, 2010). However, reasons for their measured increases in penetration resistance were different from the one found in our case.…”

Section: Resultssupporting

confidence: 91%

Effect of ion exchange substrate on grass root development and cohesion of sandy soil

Chomczyńska

Солдатов

Wasąg

et al. 2016

International Agrophysics

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A b s t r a c t. The effect of small additions of ion exchange substrate (nutrient carrier) on root development and accompanying ground cohesion (characterized by its penetration resistance) was studied. During two pot experiments Dactylis glomerata L. was grown on sand and its mixture with 1 and 2% (v/v) of ion exchange substrate, respectively. The number and total length of roots were measured during the first test. Penetration resistance was measured with a pentrologger, following the second experiment. After six weeks of growth, number and length of roots in sand mixture with 1 and 2% substrate was greater than in sandonly medium by 211-287 and 273-323%, respectively. At the same time, penetration resistance in series with substrate additions was significantly higher than in control medium at depth of 2.5-7(8) cm, whereas after 12 week of growth, penetration resistance in series with 1 and 2% substrate additions was significantly greater than in control sand at the whole analyzed depth. The highest resistance values in media with substrate additions 2-2.5 times greater than those in sand alone -were observed at depth of 3.5-4.0 cm. Higher resistance of sand-substrate mixtures results from more intensive development of root systems, forming a mesh which binds sand particles. Such media would be less susceptible to erosion.

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Section: Resultssupporting

confidence: 91%

Effect of ion exchange substrate on grass root development and cohesion of sandy soil

Chomczyńska

Солдатов

Wasąg

et al. 2016

International Agrophysics

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“…According to a meta-analysis by Xiang et al [51], biochar application significantly increased the RDMD, RVD, RSA, MRD, RLD, and the number of root tips. This relationship was confirmed for annual crops [55] and perennial plants [56,57]. The RSR was not significantly altered by the biochar application, while the SRL was significantly enhanced.…”

Section: Modification Of Root Traitssupporting

confidence: 57%

Effects of Straw and Biochar Amendments on Grassland Productivity and Root Morphology

et al. 2020

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The objective of this research was to determine the effect of straw and biochar amendment on the root system morphology and aboveground biomass of a red clover/grass mixture (Lolium. perenne L., Phleum pratense L., Festuca pratensis Huds., F. arundinacea Schreb., L. multiflorum L., L. westerwoldicum Breakw., Trifolium pratense L.). A grassland experiment was conducted from 2014 to 2018. Straw was collected from miscanthus (Miscanthus × giganteus), winter wheat (Triticum aestivum L.), and biochar was produced from the biomass of those species. The following treatments were applied: wheat straw at a rate of 5 t ha−1 (WS), miscanthus straw at a rate of 5 t ha−1 (MS), wheat biochar at a rate of 5 t ha−1 (WBH), wheat biochar at a rate of 2.25 t ha−1 (WBL), miscanthus biochar at a rate of 5 t ha−1 (MBH), and miscanthus biochar at a rate of 2.25 t ha−1 (MBL). A treatment with mineral fertilizer but without organic amendments (MCTR) was used, and a control treatment (CTR) without mineral fertilizer and without any amendments was also tested. The botanical composition and the aboveground yields were determined. The roots were sampled in 2018, and the root morphology parameters were determined using an image analysis system. The applied soil amendments resulted in increased root lengths, surface areas, volumes, and mean root diameters. There were no differences between the treatments with different feedstock types (miscanthus vs. wheat), materials (straw vs. biochar), or amendment rates (5 vs. 2.25 t ha−1). The resulting root system characteristics were reflected in the aboveground biomass productivity. The soil amendments, i.e., the straw and biochar, significantly increased the productivity in comparison to that of the control treatment. However, these differences were noticed only during the first and second cuts. Recommended practice in grassland management is to improve soil with straw. The conversion of straw into biochar does not provide a better effect on grassland productivity.

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“…According to a meta-analysis by Xiang et al (2017), biochar application significantly increased the RDMD, RVD, RSA, MRD, RLD, and the number of root tips. This relationship was confirmed for annual crops (De Giorgio and Fornaro, 2012) and perennial plants (Fageria and Moreira, 2011;G la˛b, 2013). The RSR was not significantly altered by the biochar application, while the SRL was significantly enhanced.…”

Section: Modification Of Root Traitssupporting

confidence: 57%

Effects of straw and biochar amendments on grassland productivity

et al.

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The use of straw as a soil amendment is a common practice for providing nutrients to crops and conserving soil and water. However, it can lead to negative effects on the soil environment and crop yield. The objective of this research was to determine the effect of straw and biochar amendment on the root system morphology and above-ground biomass of a red clover/grass mixture. Straw was collected from miscanthus and winter wheat and biochar was produced from the biomass of those species.The following treatments were applied: wheat straw at a rate of 5 t ha-1, miscanthus straw at a rate of 5 t ha-1, wheat biochar at a rate of 5 t ha-1 (WBH), wheat biochar at a rate of 2.25 t ha-1 , miscanthus biochar at a rate of 5 t ha-1 (MBH), and miscanthus biochar at a rate of 2.25 t ha-1 . A treatment with mineral fertilizer but without organic amendments was used, and a control treatment without amendments and mineral was also tested. The botanical composition, root morphology parameters and the aboveground yields were determined. The soil amendments resulted in increased root lengths, surface areas, volumes and mean root diameters. There were no differences between the treatments with different feedstock types (miscanthus vs. wheat), materials (straw vs. biochar) or amendment rates (5 vs. 2.25 t ha-1). The resulting root system characteristics were reflected in the aboveground biomass productivity. However, these differences were noticed only during the first and second cuts.

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Effect of tractor traffic and N fertilization on the root morphology of grass/red clover mixture

Cited by 16 publications

References 41 publications

Effect of ion exchange substrate on grass root development and cohesion of sandy soil

Effect of ion exchange substrate on grass root development and cohesion of sandy soil

Effects of Straw and Biochar Amendments on Grassland Productivity and Root Morphology

Effects of straw and biochar amendments on grassland productivity

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