Soil organic carbon pools and soil quality indicators 3 and 24 years after a one-time compost application in organic dryland wheat systems

Atoloye, Idowu A.; Jacobson, Astrid R.; Creech, J. Earl; Reeve, Jennifer R.

doi:10.1016/j.still.2022.105503

Cited by 8 publications

(3 citation statements)

References 55 publications

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“…Long‐term field studies often monitor ongoing C additions, and therefore cannot separate short‐term effects from durable sequestration of C. An example of a pulse study with a long follow‐up was conducted after a large, one‐time manure application. Compared to the untreated check, SOC was 1.6 times greater 16 years after manure application (Reeve et al., 2012) and also 24 years after application (Atoloye et al., 2022).…”

Section: Introductionmentioning

confidence: 99%

Soil carbon increase from crop roots and amendments still present twelve years later

Wuest

2023

Soil Science Soc of Amer J

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Soil organic carbon was measured after surface application of equal C amounts from various carbon sources to fallow soil or a winter wheat crop for five consecutive years. Municipal biosolid produced the largest gain, followed by manure and alfalfa (Medicago sativa L.) foliage. Wheat (Triticum aestivum L.) straw, sucrose, and wood sawdust were not different than no addition. These effects were additive to and independent from the effect of fallow soil versus cropped soil. Soil cropped to winter wheat increased in carbon comparable to the biosolid application or to plots planted to perennial grass. Measurements 4, 6, and 12 years after a return to normal farming practices produced no change in relative or quantitative differences. These results illuminate the durability of above‐ and below‐ground contributions to soil carbon.This article is protected by copyright. All rights reserved

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Section: Introductionmentioning

confidence: 99%

Soil carbon increase from crop roots and amendments still present twelve years later

Wuest

2023

Soil Science Soc of Amer J

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“…Previous research showed that adding organic amendments or fertilizers, such as composts, has been implemented for decades to maintain and enhance agricultural soil functioning [ 18 , 19 , 20 , 21 , 22 , 23 ]. In addition to providing crop nutrients, organic fertilizer could quickly enhance a wide range of soil characteristics, including water dynamics, nutrient cycling, and soil structure [ 22 , 24 ].…”

Section: Introductionmentioning

confidence: 99%

Environmental Assessment of Dryland and Irrigated Winter Wheat Cultivation under Compost Fertilization Strategies

Amirahmadi,

Ghorbani,

Moudrý

et al. 2024

Plants

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Wheat (Triticum aestivum L.) is a strategic agricultural crop that plays a significant role in maintaining national food security and sustainable economic development. Increasing technical performance considering lowering costs, energy, and environmental consequences are significant aims for wheat cultivation. For drylands, which cover approximately 41% of the world’s land surface, water stress has a considerable negative impact on crop output. The current study aimed to assess the environmental aspects of chemical fertilizer in combination with compost in dryland and irrigated winter wheat production systems through life cycle assessment (LCA). The cradle-to-farm gate was considered as the system boundary based on one tone of wheat yield and four strategies: D-C (dryland with compost), D (dryland without compost), I-C (irrigated with compost), and I (irrigated without compost). Based on the results, the highest and lowest amounts of wheat yield were related to the I-C and D strategies with 12.2 and 6.7 ton ha−1, respectively. The LCA result showed that the I strategy in comparison with other strategies had the highest negative impact on human health (49%), resources (59%), ecosystem quality (44%), and climate change (43%). However, the D-C strategy resulted in the lowest adverse effect of 6% on human health, 1% on resources, 10% on ecosystem quality, and 11% on climate change. Utilizing a combination of fertilizer and compost in dryland areas could ensure a higher yield of crops in addition to alleviating negative environmental indicators.

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“…compared with low endophyte‐infected tall fescue resulted in a difference in the proportion of total organic C as POC only below 5‐cm depth (Franzluebbers & Stuedemann, 2002). Compost application to a Sodic Calcixerept and Calcic Argixeroll in Utah led to greater POC and PON at surface and subsurface sampling increments to 90 cm than without compost after 3 years of wheat ( Triticum aestivum L.) cropping (Atoloye et al., 2022).…”

Section: Introductionmentioning

confidence: 99%

Root‐zone enrichment of soil‐test biological activity and particulate organic carbon and nitrogen under conventional and conservation land management

Franzluebbers

2023

Soil Science Soc of Amer J

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Biologically active and intermediately labile fractions of soil organic matter are important features of conservation agricultural management systems. Depth distribution of soil‐test biological activity (STBA) and particulate organic C and N were characterized under cropland, grassland, and woodland across 25 research stations in North Carolina. Most (87%) of the 310 fields sampled were on Ultisols (udults or aquults). Variation in STBA in the surface 30‐cm of soil was controlled primarily by land use and to a lesser extent by soil texture and physiographic region. Baseline concentrations of STBA and particulate organic C and N at 30‐cm depth were relatively narrowly constrained compared with contents in the 0‐10‐cm depth. Root‐zone enrichment (i.e., total minus baseline contents) of STBA (mean ± standard error; kg CO2–C ha−1 3 d−1) followed the order: conventional‐till cropland (194 ± 17) < no‐till cropland (274 ± 26) < woodland (421 ± 17) < grassland (537 ± 15) across locations. Proportion of root‐zone enrichment of soil organic C as particulate organic C was 43 ± 2%. Root‐zone enrichment of particulate organic C (Mg C ha−1) followed the order: conventional‐till cropland (3.8 ± 0.6) < no‐till cropland (8.7 ± 0.8) < grassland (14.1 ± 0.5) < woodland (16.3 ± 0.6) across locations. The C:N ratio of root‐zone enriched particulate organic matter was greater under woodland than under other land uses likely because of N input limitations. Conservation land uses increased root‐zone enrichment of these active and intermediately labile fractions independent of soil types and regions in the state.This article is protected by copyright. All rights reserved

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Soil organic carbon pools and soil quality indicators 3 and 24 years after a one-time compost application in organic dryland wheat systems

Cited by 8 publications

References 55 publications

Soil carbon increase from crop roots and amendments still present twelve years later

Soil carbon increase from crop roots and amendments still present twelve years later

Environmental Assessment of Dryland and Irrigated Winter Wheat Cultivation under Compost Fertilization Strategies

Root‐zone enrichment of soil‐test biological activity and particulate organic carbon and nitrogen under conventional and conservation land management

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