Soil Health and Its Improvement Through Novel Agronomic and Innovative Approaches

Shahane, Amit Anil; Shivay, Yashbir Singh

doi:10.3389/fagro.2021.680456

Cited by 46 publications

(12 citation statements)

References 177 publications

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“…Soil's multi-functionality and health were generally neglected to address food and climate security challenges [3,49]. However, after the Paris Agreement was signed, stakeholders committed in a voluntary action plan to implement farming systems and practices that maintain or enhance soil carbon stocks in agricultural soils and to preserve carbon-rich soils [50].…”

Section: Environmental Sustainability: Soil Re-carbonization Conserva...mentioning

confidence: 99%

Conservation Agriculture: Climate Proof and Nature Positive Approach

Mrabet¹,

Singh²,

Sharma³

et al. 2023

Resource Management in Agroecosystems

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The development pathways of countries and regions have impacted land-climate interactions and shaped challenges, opportunities and actions. Adverse impacts of climate change increasingly threaten livelihoods and resilience of people around the globe, food security and the stability of environmental resources. Globally, the current food systems are not fit for purpose. Land-based options such as Conservation Agriculture (CA) were found to mitigate climate change, regenerate soils and ensure durable food systems. Achieving sustained results using CA systems, under climate change and social pressures, while maximizing co-benefits related to food and nutrient security, social and biological diversity, ecosystem restoration and services and sustainable development, requires appropriate country-specific policies and significant investment. CA implementation is challenging and context specific and necessitates an integrated framework and road map to enable deeper ambitions for social equity and development and inclusive economic growth.

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Section: Environmental Sustainability: Soil Re-carbonization Conserva...mentioning

confidence: 99%

Conservation Agriculture: Climate Proof and Nature Positive Approach

Mrabet¹,

Singh²,

Sharma³

et al. 2023

Resource Management in Agroecosystems

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“…A balanced nutrient application is necessary for long-term agricultural production and soil health since plant nutrients are essential to crop productivity [ 1 ]. Nutrient availability in the soil is influenced by the physico-chemical characteristics of the soil and management factors [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

Elucidating Amendment Resources for Reclaiming Efficacy of Sodic Soils around Abaya and Chamo Lakes, South Ethiopia Rift Valley

Walche,

Haile,

Kiflu

et al. 2024

Toxics

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Background: Sodic soils are harmful to agricultural and natural environments in Ethiopia’s semi-arid and arid regions, leading to soil degradation and reduced productivity. This study investigated how amendment resources could help improve the chemical properties of sodic soils around the Abaya and Chamo Lakes in the South Ethiopia Rift Valley. Methods: A factorial experiment was conducted to study the effects of gypsum (GYP) and farmyard manure (FYM) on sodic soil reclamation. The experiment had four levels of GYP (0, 50, 100, and 150%) and four levels of FYM (0, 10, 20, and 30 tons ha−1), with three replications. The pots were incubated for three months and leached for one month, after which soil samples were collected and analyzed for chemical properties. ANOVA was performed to determine the optimal amendment level for sodic soil reclamation. Results: The study found that applying 10 ton FYM ha−1 and gypsum at 100% gypsum required (GR) rate resulted in a 99.8% decrease in exchangeable sodium percentages (ESP) compared to untreated composite sodic soil and a 1.31% reduction over the control (GYP 0% + FYM 0 ton ha−1). As a result, this leads to a decrease in soil electrical conductivity, exchangeable sodium (Ex. Na), and ESP values. The results were confirmed by the LSD test at 0.05. It is fascinating to see how different treatments can have such a significant impact on soil properties. The prediction models indicate that ESP’s sodic soil treatment effect (R2 = 0.95) determines the optimal amendment level for displacing Ex. Na from the exchange site. The best estimator models for ESP using sodic soil treatment levels were ESP = 1.65–0.33 GYP for sole gypsum application and ESP = 1.65–0.33 GYP + 0.28 FYM for combined GYP and FYM application, respectively. Conclusion: The study found that combined GYP and FYM applications reduced ESP to less than 10% in agriculture, but further research is needed to determine their effectiveness at the field level.

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“…Increasingly used, these tests face debate over their consistency and repeatability 28 , 29 . While soil health literature focuses on the dynamics of SOC pools and the characteristics of soil food webs 7 , the variability in soils’ provisioning is also strongly controlled by the factors of soil formation; climate, parent material, topography, time, and organisms, including humans 30 , 31 .…”

Section: Introductionmentioning

confidence: 99%

Spatial patterns of historical crop yields reveal soil health attributes in US Midwest fields

Fowler,

Basso,

Maureira

et al. 2024

Sci Rep

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Attaining high crop yields and increasing carbon storage in agricultural soils, while avoiding negative environmental impacts on water quality, soil erosion, and biodiversity, requires accurate and precise management of crop inputs and management practices. The long-term analysis of spatial and temporal patterns of crop yields provides insights on how yields vary in a field, with parts of field constantly producing either high yields or low yields and other parts that fluctuate from one year to the next. The concept of yield stability has shown to be informative on how plants translate the effects of environmental conditions (e.g., soil, climate, topography) across the field and over the years in the final yield, and as a valuable layer in developing prescription maps of variable fertilizer rate inputs. Using known relationships between soil health and crop yields, we hypothesize that areas with measured constantly low yield will return low carbon to the soil affecting its heath. On this premises, yield stability zones (YSZ) provide an effective and practical integrative measure of the small-scale variability of soil health on a field relative basis. We tested this hypothesis by measuring various metrics of soil health from commercial farmers’ fields in the north central Midwest of the USA in samples replicated across YSZ, using a soil test suite commonly used by producers and stakeholders active in agricultural carbon credits markets. We found that the use of YSZ allowed us to successfully partition field-relative soil organic carbon (SOC) and soil health metrics into statistically distinct regions. Low and stable (LS) yield zones were statistically lower in normalized SOC when compared to high and stable (HS) and unstable (US) yield zones. The drivers of the yield differences within a field are a series of factors ranging from climate, topography and soil. LS zones occur in areas of compacted soil layers or shallow soils (edge of the field) on steeper slopes. The US zones occurring with high water flow accumulation, were more dependent on topography and rainfall. The differences in the components of the overall soil health score (SHS) between these YSZ increased with sample depth suggesting a deeper topsoil in the US and HS zones, driven by the accumulation of water, nutrients, and carbon downslope. Comparison of the field management provided initial evidence that zero tillage reduces the magnitude of the variance in SOC and soil health metrics between the YSZ.

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Soil Health and Its Improvement Through Novel Agronomic and Innovative Approaches

Cited by 46 publications

References 177 publications

Conservation Agriculture: Climate Proof and Nature Positive Approach

Conservation Agriculture: Climate Proof and Nature Positive Approach

Elucidating Amendment Resources for Reclaiming Efficacy of Sodic Soils around Abaya and Chamo Lakes, South Ethiopia Rift Valley

Spatial patterns of historical crop yields reveal soil health attributes in US Midwest fields

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