Journal of Food, Agriculture and Environment




Vol 3, Issue 3&4,2005
Online ISSN: 1459-0263
Print ISSN: 1459-0255


Application of biostimulants in floating system for improving rocket quality


Author(s):

P. Vernieri 1*, E. Borghesi 1, A. Ferrante 2, G. Magnani 1

Recieved Date: 2005-03-10, Accepted Date: 2005-09-19

Abstract:

The traditional agricultural production systems are evolving more and more towards organic, sustainable or environmental friendly systems. On the other hand, it is important to keep the yield and the quality of crops. The reduction of fertilisers has to be substituted by strategies that improve the nutrients uptake or their utilisation by the plants. The aim of our work was to verify if applications of a biostimulant (Activawe®, Valagro S.p.A.) could reduce the fertilisers use without compromising the production and the quality of rocket (Eruca sativa Mill.) leafy vegetables. The experiments were performed in floating system with standard nutrient solution (NS100%) and ¼ reduced nutrient solution (NS25%) with or without 0.3 ml L-1 Activawe. The Activawe dose-effect studies were carried out using NS25% without biostimulat (control) or in combination with 0.08, 0.17, 0.3, 0.7, 1.3 or 2.7 mL L-1. Results showed that Activawe increased the nutrient use efficiency in all treatments. In fact, yield and chlorophyll content in NS100% compared with NS25% plus 0.3 mL L-1 Activawe were not statistically different. Moreover, Activawe lowered the leaf nitrate content by 11% in NS100% and by 33% in NS25%. The dose-effect studies showed that increasing Activawe concentration, from 0.08 to 0.3 mL L-1 in the nutrient solution, increased yield and chlorophyll content (values doubled). The effect of Activawe on lowering nitrate content was visible at 0.17 mL L-1, higher concentrations did not give any additional benefit. No phytotoxic effects were observed using Actiwave at all the concentrations tested.

Keywords:

Leafy vegetables, nitrate, yield, chlorophyll, Activawe, Eruca sativa, hydroponics, environmental friendly


Journal: Journal of Food, Agriculture and Environment
Year: 2005
Volume: 3
Issue: 3&4
Category: Agriculture
Pages: 86-88


View full PDF
Information:

Note to users

The requested document is freely available only to subscribers/registered users with an online subscription to the Journal of Food, Agriculture & Environment. If you have set up a personal subscription to this title please enter your user name and password. All abstracts are available for free.

Article purchasing

If you like to purchase this specific document such as article, review or this journal issue, contact us. Specify the title of the article or review, issue, number, volume and date of the publication. Software and compilation, Science & Technology, all rights reserved. Your use of this website details or service is governed by terms of use. Authors are invited to check from time to time news or information.


Purchase this Article:   20 Purchase PDF Order Reprints for 15

Share this article :