Temporal Variability of Soil Physico-chemical Properties under a Long-term Fertilizer Trial at Samaru, Northern Guinea Savanna of Nigeria

Girei, Abubakar Halilu; Abdu, Nafiu; Abdulkadir, Aisha

doi:10.9734/ijpss/2016/22161

Cited by 3 publications

(3 citation statements)

References 17 publications

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“…These seasonal variations can furthermore differ strongly per soil hydro-physical property (Zare et al, 2010). Yet, the short-term temporal dynamics of soil hydro-physical properties-let alone OA impacts thereupon-remain generally poorly investigated (Alletto et al, 2015;Geris et al, 2021;Girei et al, 2016;Jirků et al, 2013). OA impacts are influenced by the quantity (i.e., application rates) and qualitative properties (i.e., chemical composition) of the OAs applied (Kögel-Knabner, 2017;Tejada & Gonzalez, 2008;Yu et al, 2020;Zamani et al, 2016).…”

Section: Core Ideasmentioning

confidence: 99%

“…These seasonal variations can furthermore differ strongly per soil hydro‐physical property (Zare et al., 2010). Yet, the short‐term temporal dynamics of soil hydro‐physical properties—let alone OA impacts thereupon—remain generally poorly investigated (Alletto et al., 2015; Geris et al., 2021; Girei et al., 2016; Jirků et al., 2013).…”

Section: Introductionmentioning

confidence: 99%

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Temporal variability in organic amendment impacts on hydro‐physical properties of sandy agricultural soils

Kok

Scherer

Vries

et al. 2023

Soil Science Soc of Amer J

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Organic amendments (OAs) can improve the hydro-physical properties of a soil and thereby potentially enhance the resilience of agricultural systems to droughts and floods. An OA's contribution to this resilience, however, depends on the timeliness of its impacts, as soil improvements should be achieved when droughts are most frequent or flood risks are greatest. Yet little is known regarding the temporal variability of OA impacts or the influence of OA quantity and quality thereupon. In this research, therefore, we investigated at two agricultural sites the temporal variability of improvements in soil bulk density, aggregate stability, infiltration capacity and water retention after the application of compost, farmyard manure, bokashi, a selection of organic residues from landscape maintenance, and a combination of these residues with manure. Results showed that, depending on management practices and soil type, OAs decrease bulk density by up to 9.8%, increase infiltration capacity by up to 108.1%, aggregate stability by up to 60.0%, and water retention by up to 77.8% relative to unamended controls within 3 years of repeated application. However, the magnitude of these improvements varies up to 96% between seasons, depending on the soil property and OA treatment. On average, for all treatments, impacts relative to the control varied between different seasons by 5% for bulk density, 47.1% for infiltration capacity, 22.6% for aggregate stability, and 26.3% for water retention. When offsetting OA nutrient differences with mineral fertilizers, this variability showed a stronger correlation to differences in OA application quantity than quality (i.e., chemical composition). Results suggest that disregarding temporal variability in OA impacts can result in an inaccurate valuation of OAs as either effective or ineffective in improving soil resilience, given that impacts may, instead of their frequently presumed persistency, actually be highly transient or lagged. Our findings highlight the importance of considering the potential intra-annual variability of OA impacts on soil hydro-physical properties when designing OA application strategies to ameliorate the effects of specific seasonal climatic challenges.

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Section: Core Ideasmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Temporal variability in organic amendment impacts on hydro‐physical properties of sandy agricultural soils

Kok

Scherer

Vries

et al. 2023

Soil Science Soc of Amer J

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“…Bulk density was obtained by SPAW hydrology software of 6.02.75 version using the data of silt and clay as input. Silt and clay was found by volumetric method in laboratory (Girei et al, 2016). Analysis were conducted using The jamovi project (2021).…”

Section: Calculations/ Data Analysismentioning

confidence: 99%

Comparative Analysis of Physico-Chemical Properties of Soil Under Different Agroforestry Systems of District Charsada

Khan¹,

Zamir²,

Ullah³

et al. 2022

Int. j. ecosyst. ecol. sci.

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Agroforestry is a system of land utilization that describes trees with different crops fused in a single area for farmers' net income. One or more agroforestry practices in one particular area usually have biological, environmental and economical interaction between the compounds. Whilst the main aim of the AFS is not only economic benefits but also modern studies show that AFS could be used as a prime source carbon pool. Up to 12-228-ton ha -1 , with an average of 95 ton ha -1 , can be stored via the AFS. Trees with crops can raise the carbon stocks to several folds compared to monocrop systems. In order to meet the CO2 assimilation targets anticipated at Kyoto while simultaneously maintaining sustainable farm production and preventing further deforestation, integration of agricultural practices and systems in C Sequestration and C trade projects can be highly useful. Pakistan is a low middle income with an average annual rate of growth of 216.6 million people. Agroforestry has a very important role and is a key part of Pakistan's daily life, particularly rural people. In Khyber Pakhtunkhwa agroforestry is practiced in various models and shapes from the protection of naturally growing trees to the artificial cultivation of trees on agricultural lands. Agroforestry is an important timber and fuelwood source, with 70 percent of the urban and 97 percent of the rural domestic fuel wood being the main energy source in Khyber Pakhtunkhwa for centuries. Two different agroforestry systems i.e. Agri-silviculture system and Agri-horti-silviculturesystem were selected at District Charsadda Khyber Pakhtunkhwa, Pakistan. Moisture content was calculated by oven dry method. pH and EC was obtained from mettler Toledo meter. Organic matter was obtained by loss on ignition method in laboratory. To calculate soil organic carbon it was assumed that total organic matter contains 58% organic carbon contents or a relation i.e. organic carbon =SOM% multiply by 0.58. Statistical Analysis were conducted using. The jamovi project (2021) Version 1.6. The mean value of SOC for AHS system is 1.76% while that of AS system is 0.916%. The means of two systems are different from each other, the mean SOM value for AHS system was found to be 3.03% and for AS system it is 1.55%. Our results show that soil organic carbon had an inverse relationship with soil pH. High density of carbon in agricultural Lands including agroforestry is related to the high tree diversity that increases

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Long-Term Changes in Mehlich-3-Extractable Sulfur and Magnesium under Intensive Agriculture in Eastern Canada

Nyiraneza

Thompson²,

et al. 2019

Communications in Soil Science and Plant Analysis

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Temporal Variability of Soil Physico-chemical Properties under a Long-term Fertilizer Trial at Samaru, Northern Guinea Savanna of Nigeria

Cited by 3 publications

References 17 publications

Temporal variability in organic amendment impacts on hydro‐physical properties of sandy agricultural soils

Temporal variability in organic amendment impacts on hydro‐physical properties of sandy agricultural soils

Comparative Analysis of Physico-Chemical Properties of Soil Under Different Agroforestry Systems of District Charsada

Long-Term Changes in Mehlich-3-Extractable Sulfur and Magnesium under Intensive Agriculture in Eastern Canada

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