The measurement of the cation-exchange capacity of composts for the estimation of the degree of maturity

Harada, Yasuo; Inoko, Akio

doi:10.1080/00380768.1980.10433219

Cited by 204 publications

(84 citation statements)

References 10 publications

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“…Composting increases the CEC, ash content and bulk density as compared with fresh materials (Inbar et al 1993). The CEC is related to accumulation of humic substances in composts (Harada and Inoko 1980;Lax et al 1987). High NO 3 -N concentrations indicated high maturity of manure composts studied as was also indicated by N'Dayegamiye and Isfan (1990) for ligneous material composts.…”

Section: Physical and Chemical Properties Of Compostsmentioning

confidence: 99%

Nitrogen mineralization and availability in manure composts from Québec biological farms

N’Dayegamiye¹,

Royer²,

Audesse³

1997

Can. J. Soil. Sci.

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N'Dayegamiye, A., Royer, R. and Audesse, P. 1997. Nitrogen-mineralization and availability in manure composts from Québec biological farms. Can. J. Soil Sci. 77: 345-350. The real contribution of composts to N availability depends on their characteristics and maturity. A laboratory incubation experiment (140 d) was conducted parallel to a greenhouse study (330 d) in a split-split-plot design, with, respectively, two peat rates (0, 20 g kg -1 soil), five manure composts and four compost rates (0, 250, 500 and 750 g kg -1 soil). Compost N mineralization, orchardgrass (Dactylis Glomerata L.) yield and N uptake were measured. Total amount of mineralized N and yields and N uptake for six cuts of orchardgrass varied significantly with the type of composts and rate. Peat addition temporarily decreased compost N mineralization rate but significantly increased orchardgrass yields and N uptake as compared to peatless treatments. Mineralized N represented <3% of total N, whereas N uptake by orchardgrass represented 13-40% of total N among composts. This low mineralized N value compared to total N and total N uptake was due to a high maturity of the composts studied. This was shown by high humic acid : fulvic acid fraction ratios (3.1 to 4.8) and low nonhumic fraction:humic acid+fulvic acid ratios (0.10 to 0.12), as well as low C/N ratios, high bulk density, high ash content, pH, NO 3 -N and CEC values. Even if peat addition decreased mineralized N basically due to temporary N immobilization, its application significantly increased yields and N uptake probably by improving physical conditions in soil-manure compost mixtures. Peat addition to mature manure composts should be considered as an interesting alternative for horticultural plants sensitive to high NO 3 -N content from mature composts.Key word: Manure composts, peat, N mineralization, N availability, humification ratios or indexes, yields, orchardgrass N'Dayegamiye, A., Royer, R. et Audesse, P. 1997. Minéralisation et disponibilité de l'azote des composts de fumier. Can. J. Soil Sci. 77: 345-350. La disponibilité de l'azote des composts de fumier est reliée à leurs caractéristiques physico-chimiques et leur maturité. Une étude en incubation prolongée (140 jours) a été conduite ainsi qu'un essai en serres (330 jours) afin d'évaluer l'effet de l'ajout de tourbe, du type de composts et des doses de composts sur la minéralisation d'azote, ainsi que sur le rendement et les prélèvements en azote du millet japonais (Dactylis Glomerata L.). Le dispositif consistait en split-split-plot avec deux doses de tourbe (0, 20 g kg -1 sol), cinq types de composts de fumier et quatre doses de composts (0, 250, 500, 750 g kg -1 sol), respectivement. Les résultats obtenus montrent que le type et la dose de composts ont significativement influencé le contenu en azote total minéralisé ainsi que le rendement et les prélèvements en azote du millet japonais pendant six coupes. L'ajout de la tourbe aux composts de fumier a temporairement diminué le taux de minéralisation des composts, mais a ...

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Section: Physical and Chemical Properties Of Compostsmentioning

confidence: 99%

Nitrogen mineralization and availability in manure composts from Québec biological farms

N’Dayegamiye¹,

Royer²,

Audesse³

1997

Can. J. Soil. Sci.

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“…D'autre part, la notion de C/N fort dépend largement du type de sol auquel le compost sera incorporé puisque, selon le sol, l'humus aura un C/N variant entre 10 et 40. [26,27]. La CEC augmente généralement au cours de la phase de fermentation, puis se stabilise [19,28].…”

Section: Azote Total Et Azote Organiqueunclassified

Indicateurs de stabilisation de la matière organique au cours du compostage et indicateurs de stabilité des composts : analyse critique et perspectives d’usage

Trémier¹,

Guardia²,

Mallard³

2007

TSM

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“…Soil organic carbon was determined using the Walkley and Black method (Nelson & Sommers, 1982) whereas total nitrogen was determined using the Kjeldahl method (Bremner, 1960). Cation exchange capacity was determined using the Harada and Inoko method (Harada & Inoko, 1980). Bulk density was determined using the core method (Lim, 1991), and soil water holding capacity was determined using the method of Dugan, Verhoef, Robinson, and Saran (2010).…”

Section: Soil Chemical and Physical Analysismentioning

confidence: 99%

Nitrous Oxide Emission of a Tropical Peat Soil Grown with Pineapple at Saratok, Malaysia

Choo¹,

Ahmed²

2017

SAR

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Draining of peatland for agriculture could affect the release of nitrous oxide into the atmosphere. Presently, there is dearth of information on soil nitrous oxide emission from tropical peat soils cultivated with pineapples. Lysimeter and closed chamber methods were used to quantify nitrous oxide emission from root respiration, microbial respiration, and oxidative peat decomposition under controlled water table condition. Treatments evaluated were: peat soil grown with pineapple, uncultivated peat soils, and bare peat soil fumigated with chloroform. Cultivation of Moris pineapple on drained peat soils resulted in the higher release of nitrous oxide emission (15.7 t N 2 O ha/yr), followed by fumigated peat soil with chloroform (14.3 t N 2 O ha/yr), and uncultivated peat soil (10.2 t N 2 O ha/yr). Soil nitrous oxide emission was affected by nitrate fertilization but emission was not affected by soil temperature nor soil moisture.

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The measurement of the cation-exchange capacity of composts for the estimation of the degree of maturity

Cited by 204 publications

References 10 publications

Nitrogen mineralization and availability in manure composts from Québec biological farms

Nitrogen mineralization and availability in manure composts from Québec biological farms

Indicateurs de stabilisation de la matière organique au cours du compostage et indicateurs de stabilité des composts : analyse critique et perspectives d’usage

Nitrous Oxide Emission of a Tropical Peat Soil Grown with Pineapple at Saratok, Malaysia

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