Soil compaction problems and subsoiling effects on potato crops: A review

Ghosh, Upasana; Daigh, Aaron Lee M.

doi:10.1002/cft2.20030

Cited by 8 publications

(5 citation statements)

References 29 publications

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“…Despite the higher soil water content in trial 2 ( Figure 5 ), root density did not significantly differ between trials ( Table 3 ). Higher soil water content in compacted soil ( Figure 5 ) could reduce aeration ( Ghosh and Daigh, 2020 ) and soil oxygen availability and thus root growth ( Nguyen et al., 2020 ). As soil compaction decreased Inca Bella root density similarly in both trials ( Figure 9 ), despite higher soil water content in trial 2, it is unlikely that poor soil aeration is responsible for the lower root density in compacted soil.…”

Section: Discussionmentioning

confidence: 99%

“…Potato fields worldwide often have levels of soil compaction that limit root growth ( Stalham et al., 2007 ; Johansen et al., 2015a ; Sinton et al., 2022 ). Often, these fields are kept well-irrigated throughout the growing season to avoid soil water deficit and infections from diseases such as common scab ( Johansen et al., 2015b ), but wet soils are more susceptible to compaction than dry soils ( Ghosh and Daigh, 2020 ). Furthermore, if there is high crop water uptake from the topsoil, but high-volume irrigation events that infiltrate into deeper soil ( Reyes-Cabrera et al., 2016 ), the interface of wet and dry soil layers can be especially sensitive to compaction ( Batey, 2009 ).…”

Section: Introductionmentioning

confidence: 99%

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Cultivar-dependent differences in tuber growth cause increased soil resistance in potato fields

2023

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Since soil compaction of potato fields delays shoot emergence and decreases total yield, the causes and effects of this compaction need to be better understood. In a controlled environment trial with young (before tuber initiation) plants, roots of cv. Inca Bella (a phureja group cultivar) were more sensitive to increased soil resistance (3.0 MPa) than cv. Maris Piper (a tuberosum group cultivar). Such variation was hypothesized to cause yield differences in two field trials, in which compaction treatments were applied after tuber planting. Trial 1 increased initial soil resistance from 0.15 MPa to 0.3 MPa. By the end of the growing season, soil resistance increased three-fold in the upper 20 cm of the soil, but resistance in Maris Piper plots was up to twice that of Inca Bella plots. Maris Piper yield was 60% higher than Inca Bella and independent of soil compaction treatment, whilst compacted soil reduced Inca Bella yield by 30%. Trial 2 increased initial soil resistance from 0.2 MPa to 1.0 MPa. Soil resistance in the compacted treatments increased to similar, cultivar-dependent resistances as trial 1. Maris Piper yield was 12% higher than Inca Bella, but cultivar variation in yield response to compacted soil did not occur. Soil water content, root growth and tuber growth were measured to determine whether these factors could explain cultivar differences in soil resistance. Soil water content was similar between cultivars, thus did not cause soil resistance to vary between cultivars. Root density was insufficient to cause observed increases soil resistance. Finally, differences in soil resistance between cultivars became significant during tuber initiation, and became more pronounced until harvest. Increased tuber biomass volume (yield) of Maris Piper increased estimated mean soil density (and thus soil resistance) more than Inca Bella. This increase seems to depend on initial compaction, as soil resistance did not significantly increase in uncompacted soil. While increased soil resistance caused cultivar-dependent restriction of root density of young plants that was consistent with cultivar variation in yield, tuber growth likely caused cultivar-dependent increases in soil resistance in field trials, which may have further limited Inca Bella yield.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Cultivar-dependent differences in tuber growth cause increased soil resistance in potato fields

2023

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“…Compared to conventional plowing, Pierce and Burpee (1995) found that no-tillage in the spring increased marketable yields, but not overall yields. Ghosh and Daigh (2020) concluded that potato yield and quality improvements from subsoiling are rare, temporary, and highly variable, with the only exception being when moisture is known to be the major limiting factor in a field. A similar trend was observed in the potato straw.…”

Section: Discussionmentioning

confidence: 99%

How Does Sustainable Management Practices Affect Weed Flora and Tuber Yield of Potato Crop in Mediterranean Environment?

Radicetti,

Amanullah,

Petroselli

et al. 2023

Journal of Crop Health

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Intensive potato cultivation affects weed species composition by selecting dominant and competitive weeds that represent a constraint of potato productivity. Field experiments were conducted during 2015 and 2016 growing seasons to examine the effects of soil tillage (plowing (PL), spading (SM), sub soiling (SS)) and fertilizer source (mineral (Min) and organic (Org)) on potato yield and weed community under Mediterranean environment. A randomized complete block design with three replications was adopted. Weed density and biomass were measured at the potato harvesting time. Weed density was highest in SS, intermediate in SM, and lowest in PL (43.8, 40.3, and 28.8 plants m−2). Similar trend was observed in weed biomass. Weed density and biomass were higher in Org than Min (42.1 vs. 36.4 plants m−2 and 129.6 vs. 117.9 g m−2, respectively). Perennial, monocot, and dicot weed species were the most abundant in subsoiling (13.1, 9.3 and 34.5 plants m−2). Density of perennial and dicot species were higher in Org than Min. Monocots were mostly linked with Min, while dicots were mainly associated with Org. Although tuber yield was higher in PL and Min (481.9 and 627.5 g m−2 of DM), it was affected by growing season and might be associated to SM and Org. Although the study shows that increased weed biodiversity in the system, achieved with more sustainable practices, proves to be an obstacle to potato production, the adoption of spading machine applied in combination with mineral and organic fertilizers could be a valid alternative to plowing. Further studies are required to develop sustainable agricultural techniques able to improve the competitive capacity of crops and reduce the selection of dominant weed species.

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“…The root dry matter increased by 7.765% at the first location and 7.830% at the second location for the subsoiled plots over that of nonsubsoiled soil. The negative impacts of subsoil compaction could be alleviated by subsoil tillage, which can be an effective practice to reduce bulk density (Table 4), and provide more space between soil particles, therewith, facilitating root penetration into compacted subsoil that might facilitate root absorption of water and nutrients in deep subsoil [35].…”

Section: Root Dry Mattermentioning

confidence: 99%

Soil Properties and Maize Growth as Affected by Subsoiling and Traffic-Induced Compaction

Ramadhan,

Alfaris

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Many of the current farm management methods that utilize production techniques tend to add to the soil compaction problem. The compaction from wheel traffic is a key source of soil deterioration in contemporary agriculture. Limited studies have been conducted over the heavy soil of Iraq’s southern regions to understand soil compaction under the current condition, and its effect on crop growth and yield. An experiment was conducted at two locations; with the goal of determining the effects of tractor traffic on soil parameters, plant development, and maize production. Compaction treatments included no traffic, t0; 8 tractor traffic, t8; 16 tractor traffic, t16; and 24 tractor traffic, t24. To reduce soil compaction’s negative impacts, two degrees of subsoiling have been investigated, nonsubsoiled (NonSub) and subsoiled (Sub) plots. The results showed that bulk density values through 10 to 40 cm soil profile after tractor traffic at both locations increased with increasing levels of compaction. Hydraulic conductivity of saturated soil cores showed a general trend of decreasing at both locations with increasing levels of compaction by tractor traffic. Maize plant height, 500-grain weight, and root mass throughout both growing locations were also lower with wheel traffic treatments compared to the control treatment. Maize yields with wheel traffic were significantly lower by 7.039, 19.120, 34.187% at the first location and by 7.291, 15.147, 26.862% at the second location for the t8, t16, and t24 than yields with the t0 treatments. On the other hand, subsoiling was found to mitigate the adverse effect of tractor traffic in the topsoil and in the subsoil that led to a favour effect on soil bulk density and saturated hydraulic conductivity. The subsoil treatment increased plant height at both growing locations due to the greater exploitation of root system at the subsoiled plots which increased 500 grain weight and eventually maize yield by 16.215 and 23.762% over nonsubsoiled treatment. Tractor traffic on agricultural soils must be planned in order to minimize its detrimental impacts, as demonstrated by the findings of this experiment. Tractor traffic below 16 passes, under the experiment condition, is convenient for effective maize cultivation. In addition, subsoiling can be a choice for alleviating compaction.

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Soil compaction problems and subsoiling effects on potato crops: A review

Cited by 8 publications

References 29 publications

Cultivar-dependent differences in tuber growth cause increased soil resistance in potato fields

Cultivar-dependent differences in tuber growth cause increased soil resistance in potato fields

How Does Sustainable Management Practices Affect Weed Flora and Tuber Yield of Potato Crop in Mediterranean Environment?

Soil Properties and Maize Growth as Affected by Subsoiling and Traffic-Induced Compaction

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