Availability of Nutrients in Wood Ash Amended Tropical Acid Soils

Nkana, J. C. Voundi; Demeyer, Alex; Verloo, Marc

doi:10.1080/09593331908616781

Cited by 12 publications

(2 citation statements)

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“…However, the high cost of fertilizers and a generated demand for inclusion of low-cost alternative materials in the production system, among which stand out vegetable ash and solid waste produced on a large scale in the central west of Brazil. Igbokwe et al (1981) speculated that the use of ash in agriculture is ecologically viable and economically interesting because once incorporated in the soil, it improves moisture retention capacity, partially corrects acidity, and provides improvement in crop growth (Nkana et al, 1998a;Mozaffari et al, 2002;Lobermann-Eichler et al, 2008). Vegetable ash has a high content of oxides, hydroxides, calcium and magnesium carbonates (Haraldsen, et al 2011), thus improving soil fertility, which involves reduction of H + Al content, pH increase in soil (Osaki and Darolt, 1991;Maeda et al, 2008;Ferreira et al, 2012), and introduces in the soil significant amounts of basic cations, such as potassium (Nordstrom et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Applying wood ash and soil moisture on gladiolus (Gladiolus grandiflorus) cultivation

Pereira¹,

Silva²,

Bonfim-Silva³

et al. 2016

Aust J Crop Sci

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The management of fertilization using burnt residue from plant material associated with the management of irrigation, has demonstrated the possibility of a sustainable strategy to increase production of ornamental plants cultivated in greenhouses. The objective of this study was to evaluate the development of gladiolus plants cultivated in the Cerrado Rhodic Hapludox and subjected to doses of wood ash and volumetric soil moistures. The experiment was conducted under controlled conditions, from April to June 2014. The experimental design was arranged in randomized blocks, in a 5×5 factorial scheme, totaling 25 treatments, with four replications. Treatments were composed of five doses of wood ash (0, 8, 16, 24, and 32 g dm -3 ), and five volumetric soil moistures (7, 14, 21, 28, and 35%). Evaluated variables were: pH and soil water retention capacity; length of flower spikes and flower stems; flower numbers; and days from plant emergence to flowering. Results were analyzed using the response surface methodology with SAS software. The best results for length of flower spikes and flower stems depend on the combination of appropriate doses of wood ash and soil moisture levels. Number of flowers and days from plant emergence to flowering was separately influenced by either doses of wood ash or soil moisture, which ranged from 8 to 12 g dm -3 wood ash, and 33 to 35% soil moisture. The ash may be used as both soil corrective and fertilizer for greenhouse gladiolus production, besides improving soil water retention capacity. The ideal volumetric soil moisture for flower production is 33%.

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Section: Introductionmentioning

confidence: 99%

Applying wood ash and soil moisture on gladiolus (Gladiolus grandiflorus) cultivation

Pereira¹,

Silva²,

Bonfim-Silva³

et al. 2016

Aust J Crop Sci

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“…Wood ash can raise soil pH relatively rapidly compared to lime (Demeyer et al., 2001; Ulery et al., 1993). The liming effect of wood ash can increase P availability to crops (Materechera, 2012; Nkana et al., 1998) as well as availability of Ca, Mg, and K, while decreasing the availability of Mn and Zn (Nkana et al., 1998). The liming effect of wood ash can also benefit the soil microbial community, especially in acid soils (Lupwayi et al., 2009), and this facilitative effect can be observed for more than a year after application (Zimmermann & Frey, 2002).…”

Section: Discussionmentioning

confidence: 99%

Effects of soil amendments on hairy vetch no‐till interseeded into a hayfield

Warren¹,

Cox²,

Smith³

2023

Agronomy Journal

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Increasing the abundance of legumes in mixed pasture and hayfield stands can improve forage nutritional quality and nutrient cycling; however, establishing legumes can be difficult, especially without tillage or chemical suppression of existing vegetation. Soil amendments that reduce the competitiveness of the existing plant community or improve the vigor of interseeded legumes could reduce the need for more intensive management practices at the time of interseeding. We compared a range of commercially available soil amendments for their effects on the no-till establishment of hairy vetch (Vicia villosa Roth) interseeded into an existing sod. Amendment treatments were applied in September and included wood ash, biochar, lime, and K applied at different rates, and unamended tilled and untilled treatments as controls. Hairy vetch was no-till interseeded immediately after treatment application and biomass was measured the subsequent June. Results were consistent across the two site-years and indicated that an intermediate rate of wood ash (8967 kg ha −1 ) increased hairy vetch biomass in the spring by 8.5 and 12.4 times compared to the tilled and unamended controls, respectively. We used nonparametric multiplicative regression (NPMR) to explore the relationship between soil physical and chemical properties and hairy vetch biomass across a range of wood ash application rates.We found that soil K alone explained 42% of the variability in hairy vetch biomass. This research suggests that wood ash soil amendments may improve the chances of successfully interseeding legumes into perennial forage crops without the use of herbicide or tillage to suppress the existing plant community.

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Manioc peel and charcoal: a potential organic amendment for sustainable soil fertility in the tropics

Topoliantz

Ponge

Ballof³

2004

Biol Fertil Soils

115

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In tropical areas, where crop production is limited by low soil quality, the development of techniques improving soil fertility without damage to the environment is a priority. In French Guiana, we used subsistance farmer plots on poor acidic soils to test the effect of different organic amendments, bitter manioc peel (M), sawdust (Sw) and charcoal (Ch), on soil nutrient content, earthworm abundance and yard-long bean (Vigna unguiculata sesquipedalis) production. The peregrine Pontoscolex corethrurus was the only earthworm species found. Pod production and plant growth were lowest in unamended soil. The application of a mixture of manioc peel and charcoal (M+Ch) improved legume production as compared with other organic mixtures. It combined favourable effects of manioc peel and charcoal. Manioc peel improved soil fertility through its low C:N ratio and its high P content, while charcoal decreased soil acidity and exchangeable Al and increased Ca and Mg availability, thus alleviating possible toxic effects of Al on plant growth. The M+Ch treatment was favourable to P. corethrurus, the juvenile population of which reaching a size comparable to that of the nearby uncultivated soil. The application of a mixture of manioc peel and charcoal, by improving crop production and soil fertility and enhancing earthworm activity, could be a potentially efficient organic manure for legume production in tropical areas where manioc is cultivated under slash-and-burn shifting agriculture.

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Availability of Nutrients in Wood Ash Amended Tropical Acid Soils

Cited by 12 publications

References 0 publications

Applying wood ash and soil moisture on gladiolus (Gladiolus grandiflorus) cultivation

Applying wood ash and soil moisture on gladiolus (Gladiolus grandiflorus) cultivation

Effects of soil amendments on hairy vetch no‐till interseeded into a hayfield

Manioc peel and charcoal: a potential organic amendment for sustainable soil fertility in the tropics

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