Sewage Sludge Levels on the Development and Nutrition of Sunflower Plants

Lobo, Thomaz Figueiredo; Filho, Hélio Grassi

doi:10.4067/s0718-27912009000300007

Cited by 5 publications

(3 citation statements)

References 7 publications

(6 reference statements)

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“…As alfaces que foram adubados com N orgânico e mineral e as que foram adubadas com 150% da quantidade de N proveniente do composto orgânico acumularam uma maior quantidade de N em relação as plantas que não foram adubadas com N, as plantas que foram adubadas com 100% N químico e as plantas que receberam 100% N orgânico (Tabela 3). Quando foi adubado 50% do N orgânico e 50% N químico, obteve maior acumulo de N do que 100% N orgânico, isto pode ser explicado pelo N químico ter ajudado na mineralização do N orgânico (LOBO; GRASSI FILHO, 2009).…”

Section: Tratamentosunclassified

Nitrogênio orgânico e químico na cultura da alface

2020

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Organic residues can replace chemical fertilizers, showing all essential nutrients for plants improving the physical, chemical and biological soil characteristics. We evaluated the efficiency of organic and chemical nitrogen in the nutrition and production of lettuce. This experiment was carried out in a greenhouse with a 5-liter pot. The experimental design was randomized blocks with six treatments and five repetitions in two cycles of green-leaf lettuce from Lucy Brown variety, as defined: T0 -without nitrogen fertilization; T1 -0.54 g of N (urea) per plant divided into three times (7, 14 and 28 days of transplant), T2 -0.27 g of N (organic compound) and 0.27 g of N (urea) divided into three times per plant (7, 14 and 28 days of transplant); T3 -0.54 g of N (organic compound) per plant; T4 -0.81 g of N (organic compound) per plant; T5 -1.08 g of N (organic compound) per plant. T1, T2, and T3 treatments represent 100% of the N recommendation for lettuce and the T4 and T5 treatments represent 150 and 200%, respectively. In the first cycle of lettuce, the T4 and T5 treatments with higher amounts of organic compounds led to an increase of green mass production comparing to other treatments. In the second cycle of lettuce, all treatments that received organic fertilization obtained a higher green mass production than treatments with no compound.

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Section: Tratamentosunclassified

Nitrogênio orgânico e químico na cultura da alface

2020

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“…Besides it should not be deleterious for AMF, having extended inoculum shelf life, physically and chemically stable, easy to handle and composed of biodegradable and non polluting substances (Mukhongo et al, 2016). Among all, municipal sewage sludge (SS) is a residue from the biological wastewater treatment plants, where domestic waste predominates over industrial one and heavy metal level and pathogens are within acceptable range for agricultural use (Lobo and Filho, 2009). Disposal of SS is a worldwide problem since it is produced in large volumes due to rapid urbanization.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of municipal sewage sludge for Arbuscular mycorrhizal fungi inoculum production

Tanwar¹,

Singh²,

Aggarwal³

et al. 2021

Eurasian Journal of Soil Science (Ejss)

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Article InfoThis experiment was carried out to assess the effect of soil amendment with different concentrations of municipal sewage sludge (SS) as a substrate on inoculum production of two selected arbuscular mycorrhizal fungi (AMF) i.e., Glomus mosseae and Acaulospora laevis. The experiment was a 4 × 5 factorial design with four hosts including, maize (Zea mays L.), lemon grass (Cymbopogon nardus (L.) Rendle), palmarosa (Cymbopogon martini (Roxb.) Wats.) and Sesbania (Sesbania aculeata Poir.) and the following five SS concentrations 1) no substrate, 2) 25 g, 3) 50 g, 4) 75 g and 5) 200 g pot -1 ) with five replications. After 90 days, the host roots and its rhizosphere soil were examined for fungal mycorrhization in terms of percent of root colonization and AMF spore quantification. Furthermore, we calculated the response of each host in terms of increase in plant height (cm), root length (cm), root, fresh shoots, and dry weight (g). Mycorrhization pattern showed moderate to abundant intraradical mycelium, extraradical mycelium, vesicles, and arbuscules in all the host plants. This pattern varied with a change in the input level of SS. The 75 g treatment obtained the maximum mycorrhization of both the AMF, while the highest input level was detrimental to AMF and host plants' survival. Among the tested hosts, lemon grass and maize had a tremendous increment in G. mosseae and A. laevis inoculum respectively. Consequently, 75 g SS with lemon grass is the most compatible hostsubstrate combination capable of maximum G. mosseae and A. laevis spore production and root colonization and so far, highlights the significance of an alternative, cost-effective and affordable carrier medium that can be adopted by farmers as sustainable cultural practices for on farm AMF inoculum production.

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“…Por otro lado, el manejo de los fertilizantes es una parte indispensable de la agricultura y una de las inversiones más importantes en todo cultivo, esto se debe en parte al aumento de los costos, particularmente del fertilizante nitrogenado (Pibars et al, 2015;Zohry et al, 2017), ya que el nitrógeno es uno de los nutrientes minerales más importantes en la producción de cultivos (Zohry et al, 2017) y el que posee una mayor demanda en la agricultura (Figueiredo-Lobo & Grassi-Filho, 2009). El nitrógeno es fácilmente absorbido por las plantas en forma de nitrato (NO3), urea (CO(NH2)2) y amonio (NH 4+ ) (Ozturk et al, 2017).…”

Section: Introductionunclassified

Desarrollo del girasol (Helianthus annuus L.) con aplicación de codornaza bajo distintas láminas de riego

Palacio-Román

Agudelo-Escobar

2020

Cien. Agri.

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Actualmente se están buscando alternativas para reducir los costos que implican los químicos en la agricultura. La aplicación de materia orgánica se propone no solo como alternativa para mejorar las propiedades químicas del suelo sino también como un medio para favorecer sus propiedades físicas y la capacidad del mismo para retener humedad. Un insumo poco utilizado en la agricultura son los excrementos de codornices o codornaza, que actualmente por su falta de uso están siendo desperdiciados transformándose de esta manera en un importante contaminante rural. El objetivo de este trabajo fue evaluar el efecto de dos dosis (6250 y 12500 kg/ha) de codornaza y dos láminas de riego (100 mL y 200 mL) en el crecimiento y desarrollo de Helianthus annuus L. a través de variables alométricas como la altura de las plantas, el número de hojas, numero de botones florales y plantas florecidas, variables evaluadas cada ocho días. El experimento fue establecido en la ciudad de Medellín, región caracterizada por su vocación floricultora, mientras que la codornaza fue obtenida de una granja coturnicultora en el municipio de Marinilla, ubicado al occidente de Colombia sobre la rama central de la cordillera de los Andes. Los tratamientos no mostraron diferencias significativas para las variables relacionadas a la fenología de las plantas, sin embargo, mostraron una marcada tendencia para el tratamiento de 6250 kg/ha en la mejora de las variables vegetativas y en el peso de las semillas, además, los niveles de codornaza utilizados en el estudio no presentaron efectos de restricción nutricional en las plantas para ninguna de las variables medidas.

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Sewage Sludge Levels on the Development and Nutrition of Sunflower Plants

Cited by 5 publications

References 7 publications

Nitrogênio orgânico e químico na cultura da alface

Nitrogênio orgânico e químico na cultura da alface

Evaluation of municipal sewage sludge for Arbuscular mycorrhizal fungi inoculum production

Desarrollo del girasol (Helianthus annuus L.) con aplicación de codornaza bajo distintas láminas de riego

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