The chemical properties of soil for alfalfa production after biofertiliser application

Abstract

The objective of this study was to evaluate the use of biofertilisers for the production of alfalfa shoot, root and nodule dry matter, and also, to evaluate the chemical properties of the soil. This study was conducted in the greenhouse of the Support Department, Animal Production and Health, Faculty of Veterinary Medicine/UNESP, Araçatuba -SP, from May to October 2010. The experimental design was completely randomised with six biofertiliser doses (0, 25, 50, 100, 200 and 400 m 3 ha -1) and five replicates. The biofertiliser doses were the primary treatments and the cuts (five) were subplots. The cuts were performed, on average, every 27 days at 10 cm above the soil. At the end of the experiment, the roots, nodules and soil from all experimental units were collected for chemical analysis. We observed a linear increase in dry matter production of the shoots relative to the doses studied. The dry matter production of the roots and nodules was not significantly different. The chemical properties of the soil significantly improved for calcium and magnesium as well as the sum of bases and base saturation with biofertiliser application. Biofertilisers can be used for agricultural production and favourably alter the soil characteristics. Key words: Biofertiliser, Medicago sativa, nitrogen, nodules, roots ResumoO objetivo deste trabalho foi avaliar o uso de doses de biofertilizante na produção de matéria seca da parte aérea, raízes e nódulos da alfafa, e os atributos químicos do solo. O experimento foi realizado em casa de vegetação do Departamento de Apoio, Produção e Saúde Animal da Faculdade de Medicina Veterinária/UNESP, Campus de Araçatuba -SP, de maio a outubro de 2010. O delineamento experimental foi inteiramente ao acaso, sendo seis doses de biofertilizante (0, 25, 50, 100, 200 e 400 m 3 ha -1 ) e cinco repetições. As doses de biofertilizante foram consideradas como tratamentos principais e os cortes (cinco) como subparcelas. Os cortes foram realizados, em média, a cada 27 dias, a 10 cm de altura do solo. Ao final do experimento foram coletadas as raízes, nódulos e o solo de todas as unidades experimentais para análise química. Foi observado aumento linear na produção de matéria seca da parte aérea em relação as doses estudadas. A produção de matéria seca de raiz e nódulos não apresentaram diferença significativa. Para os atributos químicos do solo ocorreu resposta positiva para os teores de cálcio, magnésio, soma de bases e saturação de bases com a aplicação do biofertilizante. O biofertilizante pode ser utilizado como insumo na agropecuária para melhorar a produção e alterar favoravelmente os atributos do solo. Palavras-chave: Chorume bovino, Medicago sativa, nitrogênio, nódulos, raízes 1 Projeto financiado pela FAPESP. Processo nº 2010/09446-3.

The Impact of Organic Biofertilizer Application in Dairy Cattle Manure on the Chemical Properties of the Soil and the Growth and Nutritional Status of Urochroa Grass

“…Tanzania, observed SDWY was higher in the fertilized vessels with the highest biofertilizer rates in the third harvest occurring at 84 days after planting. Lemes et al (2013) studying the increasing bovine biofertilizer rates of alfalfa observed a linear increase in SDWY and RDWY. Silva Neto et al (2010) verified that SDWY of Megarthysus maximum cv.…”

“…Soares Filho et al (2015) applied bovine biofertilizer to Tierra Verde bermudagrass (Cynodon dactylon (L.) Pers.) and Lemes et al (2013) to alfalfa (Medicago sativa), and the authors observed that it positively influenced the soil and leaf chemical contents and the nutritional quality of alfalfa (Lemes et al 2016). In Brazil, there is a considerable part of cattle production conducted in intensive rearing systems, resulting in a large volume of liquid slurry, with high fertilizer potential that, when properly stored and correctly used, can supply nutrients to the plants and improve soil chemical conditions.…”

Biofertilizante na qualidade nutricional da alfafa (Medicago sativa L.)

“…The amount of absorbed N increases linearly with the application of biofertilizers but is proportional to biomass increases in the aerial part of alfalfa (LEMES et al, 2013), showing that absorbed N was diluted in the dry shoot mass without significant increases in concentrations, featuring the dilution effect (JARREL; BEVERLY, 1981). Similar results were found by Araujo et al (2011) A biofertilizer dose of 400 m 3 ha -1 resulted in highest K absorptions (Figure 1), and the concentration was within the range established by Moreira et al (1997) and Raij et al (1997).…”

Biofertilizers in horticultural crops

“…The direct effect of the application of bovine manure biofertilizers in the soil is the increase in the availability of nutrients (Alves et al, 2009;Cavalcante et al, 2011a;Lemes et al, 2013;Oliveira et al, 2014), as a function of the soluble minerals (Tables 1, 2 in the organic input and by the direct action of the pathogen on its host (Santos, 1992;Marrocos et al, 2012;Shivlata & Satyanarayana, 2015).…”

“…, and 3). In an area cultivated with bell pepper,Alves et al (2009) concluded that the Vairo and Agrobio biofertilizers raised the pH and the concentrations of phosphorus, potassium, and soil organic matter, whereasLemes et al (2013), while cultivating lettuce, verified that the Vairo biofertilizer raised the contents of calcium and magnesium in the soil Oliveira et al (2014). observed increases in phosphorus, potassium, calcium, magnesium, and soil organic matter promoted by the Supermagro, even with superiority to the contents of a soil fertilized with NPK.…”