Organic Carbon Contents and Stocks in Particle Size Fractions of a Typic Hapludox Fertilized With Pig Slurry and Soluble Fertilizer

Mafra, Maria Sueli Heberle; Cassol, Paulo Cézar; Albuquerque, Jackson Adriano; Grohskopf, Marco André; Andrade, Andréia Patrícia; Rauber, Luiz Paulo; Friederichs, Augusto

doi:10.1590/01000683rbcs20140177

Cited by 14 publications

(11 citation statements)

References 40 publications

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“…It is estimated that 16,243,286 tons of poultry litter are produced annually in the country (Schneider et al, 2012), which can provide numerous benefits to soil physical, chemical, and biological properties if used accordingly to technical criteria (Hirzel et al, 2007;Cassity-Duffey et al, 2015;Mafra et al, 2015). Using N fertilizers with urease and nitrification inhibitors could also boost the content of available N in the soil and, consequently, increase nutrient recovery efficiency by providing a better balance between the N mineralization and nitrification processes (Muller et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Organic, organomineral, and mineral fertilizers with urease and nitrification inhibitors for wheat and corn under no-tillage

Corrêa

Grohskopf

Nicoloso

et al. 2016

Pesq. agropec. bras.

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-The objective of this work was to evaluate soil chemical attributes, leaf nitrogen content, and corn and wheat yields under a no-tillage system in response to the application of organic, organomineral, and mineral fertilizers with or without urease and nitrification inhibitors. The experiment was carried out on the field, with one wheat and two corn crops, on a Rhodic Kandiudox, in a randomized complete block design with six replicates. The evaluated treatments were: control, without fertilization; O, poultry litter as an organic fertilizer; O+I, poultry litter and inhibitors; OM, organomineral fertilizer; OM+I, organomineral fertilizer and inhibitors; U, urea as a mineral fertilizer; and U+I, super urea with the urease inhibitor alone. The use of organic, organomineral, and mineral fertilizers, with or without inhibitors, increased available N content in the 0.00-0.05-m soil layer. In deeper layers, only OM+I in the 0.05-0.10-m layer and U+I in the 0.10-0.20-m layer provided higher contents than the control treatment. Leaf N contents were adequate, regardless of the fertilizer used. The O, O+I, OM, and OM+I treatments increase available P content and base saturation, and decrease H+Al on soil surface. Moreover, all fertilizers increase total grain yield of the two studied crops, in the following order: OM+I > U+I ≥ U > OM ≥ O+I ≥ O.Index terms: Triticum aestivum, Zea mays, agronomic efficiency, poultry litter, nitrogen fertilization, volatilization losses. Fertilizantes orgânicos, organominerais e minerais com inibidores de urease e de nitrificação para trigo e milho em plantio diretoResumo -O objetivo deste trabalho foi avaliar os atributos químicos do solo, o teor de nitrogênio foliar e a produtividade de milho e trigo, em sistema plantio direto, em resposta à aplicação de fertilizantes orgânicos, organominerais e minerais, com ou sem inibidores da urease e da nitrificação. O experimento foi realizado em campo, com um cultivo de trigo e dois de milho, em Nitossolo Vermelho distroférrico, em delineamento de blocos ao acaso, com seis repetições. Os tratamentos avaliados foram: controle, sem adubação; O, fertilizante orgânico de cama de aves; O+I, cama de aves e inibidores; OM, fertilizante organomineral; OM+I, fertilizante organomineral e inibidores; U, ureia como fertilizante mineral; e U+I, superureia com inibidor da urease apenas. O uso de fertilizantes orgânicos, organominerais e minerais, com ou sem inibidores, aumentou o teor de N disponível na camada de 0,00-0,05 m do solo. Nas camadas mais profundas, apenas OM+I, na camada de 0,05-0,10 m, e U+I, na de 0,10-0,20 m, proporcionaram maiores teores do que o tratamento-controle. Os teores foliares de N foram adequados, independentemente do fertilizante utilizado. Os tratamentos O, O+I, OM e OM+I aumentam o teor de P disponível e a saturação por bases, e reduzem H+Al na camada superficial do solo. Além disso, todos os fertilizantes aumentam a produtividade total de grãos das duas culturas estudadas, na seguinte ordem: OM+I > U+I ≥ U > OM ≥ O+I ≥ O.Te...

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Section: Introductionmentioning

confidence: 99%

Organic, organomineral, and mineral fertilizers with urease and nitrification inhibitors for wheat and corn under no-tillage

Corrêa

Grohskopf

Nicoloso

et al. 2016

Pesq. agropec. bras.

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“…However, this increase was focused on the shallowest 0-5 cm layer, with no changes observed in the layers of 10-15, 15-20 and 20-25 cm. Increases in organic C induced by the use of LSM has been reported in the literature (Lourenzi et al, 2011;Brunetto et al, 2012;Mafra et al, 2015), especially in studies on pastures (Oliveira et al, 2017). In general, these soil organic C increases in areas under LSM application can be attributed to two aspects: i) direct organic C inputs by LSM, despite the low solids concentration of this manure (Table 1); ii) indirect contribution through nutrient inputs, especially N (Table 1), which enhances soil fertility, sustaining higher above-and below ground biomass yields, and consequently increase soil organic C by the decomposition of roots and crop residues Oliveira et al, 2017).…”

Section: Organic C and Attributes Of Soil Aciditymentioning

confidence: 90%

Changes in soil chemical and physical properties in pasture fertilised with liquid swine manure

Scheid¹,

Silva

et al. 2020

Sci. agric. (Piracicaba, Braz.)

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Chemical and physical properties of soil can be altered with the successive application of liquid swine manure (LSM), also known as slurry. Therefore, monitoring the impact of LSM is essential to an assessment of the potential agronomic and environmental benefits and risks associated with management practices. The aim of this study was to evaluate the effects of LSM on the chemical and physical attributes of soil under pasture (Cynodon spp.), located in southern Brazil. Four areas were sampled: three areas cultivated with Cynodon spp. pasture with successive applications of 200 m 3 ha -1 y -1 of LSM for three, eight and 15 years; and untreated native forest as a reference. The soil attributes evaluated were: organic carbon (OC), active (pH water) and potential acidity (H + Al + 3 ), nutrient availability (i.e., P, K, Ca, Mg, Cu and Zn), soil bulk density, macro, micro and total porosity. Successive applications of LSM on pasture reduced soil active acidity, and increased the soil organic C and plant-available N, P, Ca, Mg, Cu and Zn contents. These effects were more intense with time and in the shallowest layers, i.e. 0-10 cm.Excessive increases in P, Cu and Zn in the soil should be carefully monitored to minimize the contamination risks to soil, ground and surface waters. Soil physical attribute changes were more associated with land use (pasture versus native forest) than LSM use, and LSM applications induced slight improvements in the soil structural quality over time.

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“…The choice of how, when, and at what dose fertilizers should be applied to soils allows of variations in the OC accumulation (Mafra et al, 2015). Criteria for the method of fertilization should therefore be adopted, in order to enable an increased OC, and a reduced OC decomposition rates in the soil (Sá et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Carbon fractions and stock in response to solid and fluid organomineral fertilizers in highly fertile soils

Corrêa

Rodio

Rigo

et al. 2019

Pesq. agropec. bras.

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The objective of this work was to evaluate the effect of the application of organomineral and mineral fertilizers to highly fertile soils on the carbon management index (CMI) and carbon fractions and stock. The experiment was carried out on an Oxisol and Inceptisol, under no-tillage, in three crop seasons. The treatments consisted of two organomineral fertilizers and of two mineral fertilizers in solid and fluid forms, besides a control without fertilization. The application of organomineral and mineral fertilizers, in solid and fluid forms, to the different soil classes with high fertility promoted changes in total organic carbon, particulate organic carbon, and carbon associated with minerals, as well as in carbon stocks and the CMI. In the treatments with fluid mineral fertilizer and solid organomineral fertilizer, such changes occurred only in the Inceptisol due to the lower degree of weathering of this soil. The higher values of the CMI, with the fluid mineral fertilizer in the Inceptisol, allow inferring on which would be the best management practice aiming at the increase and maintenance of carbon in the soil-plant system, based on the yield results of wheat, sorghum, and corn, which were similar to those obtained with the other fertilizers.

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Organic Carbon Contents and Stocks in Particle Size Fractions of a Typic Hapludox Fertilized With Pig Slurry and Soluble Fertilizer

Cited by 14 publications

References 40 publications

Organic, organomineral, and mineral fertilizers with urease and nitrification inhibitors for wheat and corn under no-tillage

Organic, organomineral, and mineral fertilizers with urease and nitrification inhibitors for wheat and corn under no-tillage

Changes in soil chemical and physical properties in pasture fertilised with liquid swine manure

Carbon fractions and stock in response to solid and fluid organomineral fertilizers in highly fertile soils

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