Soil aggregation and distribution of carbon and nitrogen in different fractions under long-term application of compost in rice–wheat system

Sodhi, G. P. S.; Beri, V.; Benbi, D. K.

doi:10.1016/j.still.2008.12.005

Cited by 183 publications

(101 citation statements)

References 31 publications

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“…Another recent study showed that, after 10 cycles of ricewheat cropping, the amount of water-stable aggregates was significantly higher in plots amended with rice straw compost at 8 t ha −1 to both rice and wheat, as compared with inorganic fertilizers (Sodhi et al, 2009). The authors also suggested that this higher amount of water-stable aggregates can be ascribed to the regular addition of organic matter to soil, resulting in enhanced microbial activity and production of microbial decomposition products, which helps with binding of aggregates.…”

Section: Physical Fertilitymentioning

confidence: 97%

“…According to Sodhi et al (2009), a 10-year application of rice straw compost, either alone or in combination with inorganic fertilizers, results in C sequestration in macroaggregates. In fact, with the application of 8 t compost ha −1 , the C concentration in the 1-2 mm size fraction increased by 180 to 191%, respectively, over unfertilized control.…”

Section: Organic Matter Evolution and Soil Carbon Sequestrationmentioning

confidence: 99%

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Long-term effects of organic amendments on soil fertility. A review

Diacono¹,

Montemurro²

2010

Agron. Sustain. Dev.

1,093

546

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To cite this version:Mariangela Diacono, Francesco Montemurro. Long-term effects of organic amendments on soil fertility. A review. Agronomy for Sustainable Development, Springer Verlag/EDP Sciences/INRA, 2010, 30 (2), <10.1051/agro/2009040>. Agron. Sustain. Dev. 30 (2010) Abstract -Common agricultural practices such as excessive use of agro-chemicals, deep tillage and luxury irrigation have degraded soils, polluted water resources and contaminated the atmosphere. There is increasing concern about interrelated environmental problems such as soil degradation, desertification, erosion, and accelerated greenhouse effects and climate change. The decline in organic matter content of many soils is becoming a major process of soil degradation, particularly in European semi-arid Mediterranean regions. Degraded soils are not fertile and thus cannot maintain sustainable production. At the same time, the production of urban and industrial organic waste materials is widespread. Therefore, strategies for recycling such organic waste in agriculture must be developed. Here, we review long-term experiments (3-60 years) on the effects of organic amendments used both for organic matter replenishment and to avoid the application of high levels of chemical fertilizers. The major points of our analysis are: (1) many effects, e.g. carbon sequestration in the soil and possible build-up of toxic elements, evolve slowly, so it is necessary to refer to long-term trials. (2) Repeated application of exogenous organic matter to cropland led to an improvement in soil biological functions. For instance, microbial biomass carbon increased by up to 100% using high-rate compost treatments, and enzymatic activity increased by 30% with sludge addition. (3) Long-lasting application of organic amendments increased organic carbon by up to 90% versus unfertilized soil, and up to 100% versus chemical fertilizer treatments. (4) Regular addition of organic residues, particularly the composted ones, increased soil physical fertility, mainly by improving aggregate stability and decreasing soil bulk density. (5) The best agronomic performance of compost is often obtained with the highest rates and frequency of applications. Furthermore, applying these strategies, there were additional beneficial effects such as the slow release of nitrogen fertilizer. (6) Crop yield increased by up to 250% by long-term applications of high rates of municipal solid waste compost. Stabilized organic amendments do not reduce the crop yield quality, but improve it. (7) Organic amendments play a positive role in climate change mitigation by soil carbon sequestration, the size of which is dependent on their type, the rates and the frequency of application. (8) There is no tangible evidence demonstrating negative impacts of heavy metals applied to soil, particularly when high-quality compost was used for long periods. (9) Repeated application of composted materials enhances soil organic nitrogen content by up to 90%, storing it for mineralization in future cropping...

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Section: Physical Fertilitymentioning

confidence: 97%

Section: Organic Matter Evolution and Soil Carbon Sequestrationmentioning

confidence: 99%

Long-term effects of organic amendments on soil fertility. A review

Diacono¹,

Montemurro²

2010

Agron. Sustain. Dev.

1,093

546

View full text Add to dashboard Cite

show abstract

“…By increasing soil organic matter content, composts improve soil physical properties such as structural stability (Tejada et al 2009), total porosity and hydraulic conductivity (Aggelides and Londra 2000), aggregate formation (Sodhi et al 2009), and water holding capacity (Curtis and Claassen 2005). Soil fertility can be further increased by the addition of nutrients from compost.…”

mentioning

confidence: 99%

Effects of compost on water availability and gas exchange in tomato during drought and recovery

Nguyen¹,

Fuentes²,

Marschner³

2012

Plant Soil Environ.

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Compost can increase soil water availability and nutrient uptake by plants, but it is not clear whether it can also improve the ability of plants to recover after drought stress. Tomato plants (Lycopersicon esculentum L.) were grown in sandy soil without compost or with compost either incorporated or mulched. There were two water treatments: (i) plants grown under sufficient water supply throughout the experiment and (ii) plants grown with sufficient water supply until day 33 after which water was withheld until stomatal conductance was close to zero. Compost addition increased water content at both field capacity and permanent wilting point, but only incorporated compost increased total available water. Compost addition increased shoot and root growth under well-watered and drought stressed conditions with a greater effect by incorporated compost. At sufficient water supply, the rates of photosynthesis and transpiration were similar in all treatments. Drought stressed plants with incorporated compost wilted earlier than control plants, whereas mulched compost increased water availability to plants and hence the number of days until wilting. Photosynthesis and transpiration recovered faster in plants grown with incorporated compost compared to other treatments. The rapid recovery of plants after drought with incorporated compost could be due to their greater root length.

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“…Mineralization of nitrogen from organic inputs is often limited to short and its accumulation becomes noticeable after 5 years of cropping (Blackshaw et al, 2005;Barbarick and Ippolito, 2007;Leroy et al, 2007). The regular input of organic matter in the soil, through compost or manure, improves its contents of C and N and led to over 10 years in the accumulation of nitrogen in the soil, indicating physical protection of this nutrient in macroaggregates (Whalen and Chang, 2002;Meng et al, 2005;Mallory and Griffin, 2007;Sodhi et al, 2009). This organic matter is well degraded as underline globally the C/N values of the cultivated plots.…”

Section: Discussionmentioning

confidence: 99%

Change in a ferralsol physico-chemical properties under pineapple cropping system in southern of Benin

Sossa¹,

Amadji²,

Aholoukpè³

et al. 2015

J. App. Bioscience.

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Objectives:The study examines the evolution of soil properties under the main pineapple cropping system, in order to evaluate the effectiveness of this system towards maintaining sustainable productivity. Methodology and Results: The plots of different cropping durations (1.5, 3, 6, 7, 10, 15 and 16 years) were selected from the predominant pineapple cropping system. A fallow plot was identified in a neighbourhood of each selected pineapple plot. Soil profiles were installed in the selected fields and their adjacent fallows to characterize morphological and physico-chemical soil dynamics. The results showed that the values of the morphological and physical characteristics of the soil began to decrease after 10 years of pineapple cropping. The values of chemical characteristics started to decline after 7 years of pineapple cropping. Conclusions and application of findings:The main pineapple cropping system in the study region improves and maintains the morphological and physical characteristics of the soil up to 10 years of cultivation after which lower values were recorded. In general, the values of the chemical characteristics begin to decline after 7 years of pineapple cropping. It is important to study crop residue management practices that will better manager soil fertility and conservation. For a sustainable use of ferrallitic soils under pineapple, the fertilization system on the plateau of Allada should be strengthened by the addition of organic fertilizers with appropriate crop rotation. This will keep these lateritic soils under pineapple production over a longer period.

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Soil aggregation and distribution of carbon and nitrogen in different fractions under long-term application of compost in rice–wheat system

Cited by 183 publications

References 31 publications

Long-term effects of organic amendments on soil fertility. A review

Long-term effects of organic amendments on soil fertility. A review

Effects of compost on water availability and gas exchange in tomato during drought and recovery

Change in a ferralsol physico-chemical properties under pineapple cropping system in southern of Benin

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