Journal of Food, Agriculture and Environment

Effect of the seaweed extract applied on seeds and/or foliar sprays on soybean development and productivity

Author(s):

Julio César Guerreiro ¹, Éder Blainski ², Diego Luchini da Silva ², Jonathan Pereira Caramelo ², Thaise Mylena Pascutti ¹, Nádia Cristina de Oliveira ³, Pedro J. Ferreira-Filho ⁴

Recieved Date: 2016-09-12, Accepted Date: 2016-12-30

Abstract:

Soybean is a plant of great economic importance, to keep or emphasise high grain production is indispensable supply of adequate nutrients, which can take place in various techniques, foliar fertilization is one of them. The foliar nutrient application is one the most important practice to correct deficiency symptoms. This study aimed to verify the results obtained with the seaweed extract used as fertilizer (Ascomaxx^®) in seed treatments and sprays as foliar fertilizer at R2 and R4 stages of soybean. This work was conducted at the experimental station Terra Paraná Pesquisa e Treinamento in Assis Chateaubriand PR, Brazil in 2013/2014, and the results were analysed on Universidade Estadual de Maringá - UEM. The characteristics studied were the stand of crop at 7 and 14 days after emergence and pre-harvest, plant height, number of soybean pods and productivity. It was observed that seaweed extract applied via seed affected neither the initial nor final stand. The results suggest that foliar applications of the seaweed extract and the application timing were responsible to accentuate the productivity in soybean mainly when it was applied during de reproductive stage (R2 and R4), grain production was until 30% better under these conditions, compared with the control treatment.

Keywords:

Tolerance, biotic, abiotic, stresses, alga

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Journal: Journal of Food, Agriculture and Environment
Year: 2017
Volume: 15
Issue: 1
Category: Agriculture
Pages: 18-21

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