To deliver a high quality ornamental plants for both domestic and export markets, it is crucial that it has received sufficient nitrogen and recorded. Ornamental Growers fertilizing therefore too often to the extent that luxury consumption occurs without a further increase in the target plant quality. More nitrogen fertilization of necessary; conflicts with increasingly stringent environmental restrictions. Ornamental Growers are keenly aware that they have sufficient knowledge to fertilize reasoned. The present project focuses on a good foundation of the nitrogen opinions to produce quality floriculture.