Abstract
<p>The visual quality of ornamental plants is necessarily linked to an adequate balance of nutrients. Plant height, shape and coloration are qualitative aspects of ornamental species, directly influenced by mineral nutrition, among other environmental aspects. The nutritional requirements of ornamental species are not yet well established, often resulting in inefficient use of chemical and organic fertilizers, without respecting the needs of each species as well as the proper time for application. This leads to the low quality of the final product, as well as high production costs, which justifies the importance of a nutritional knowledge of the species. In addition to plant nutrients, some elements not considered essential, such as silicon, may provide improvements in the quality of certain species, including ornamental plants. In this sense, this paper aims to compile information on the use of nutrients for ornamental species in order to contribute to the knowledge of the principal aspects of plant quality as relates to mineral nutrition.</p>
Highlights
The floriculture agro-business has had significant growth in the last years in Brazil and in the world
According to estimates by ABAFEP (2015), the flowers and plants agro-business has grown from 12% to 15% per year, well above the average of the national economy
It is important to highlight that an adequate balance of nutrients, besides being related to high quality flower production, is intimately linked to the resistance of the plants against pests and disease (MALAVOLTA, 2006; ZAMBOLIM et al, 2012)
Summary
The floriculture agro-business has had significant growth in the last years in Brazil and in the world. The quality of plant products is predominantly controlled by genetic factors, it is influenced by exogenous factors, including natural and anthropogenic (WANG et al, 2008; MARTINEZ-BALLESTRA et al, 2010). In this context, the mineral nutrition of plants is preponderant in the attainment of better quality agricultural products (MARSCHNER, 2012). It is important to highlight that an adequate balance of nutrients, besides being related to high quality flower production, is intimately linked to the resistance of the plants against pests and disease (MALAVOLTA, 2006; ZAMBOLIM et al, 2012). This paper aims to contribute to the knowledge of aspects of mineral nutrition and its relation to the quality of ornamental plants
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