The effects of Nitrogen and Phosphor on some physico-chemical characteristics and after harvest life of Narcissus flower
Subject Areas : New Finding in AgricultureM. Zadebagheri 1 , A. Sohrabnejad 2 , A. Abutalebi Jahromi 3 , Sh. Sharafzadeh 4
1 - Assist. Prof., Horticultural Science Dept college of Agricultural Science, Islamic Azad University, Shiraz Branch, Shiraz, Iran
2 - M.Sc. in Agronomy, Islamic Azad University, Jahrom Branch, Jahrom, Iran
3 - Assist. Prof., Horticultural Science Dept college ofAgricultural Science, Islamic Azad University, Jahrom Branch, Jahrom, Iran
4 - Assist. Prof., Horticultural Science Dept college of Agricultural Science, Islamic Azad University, Firozabad Branch, Firozabad, Iran
Keywords: nitrogen, Nutrition, shelf life, narcissus flower,
Abstract :
Nowadays,growing Narcissus flowers have become an economical and profiting industry. Many efforts have been done to enhance the quantity and quality of this flower. In this regard, one of the most important issues is the effect of minerals on physico-chemical characteristics and after harvest life of this flower. Therefore, a research was done in the form of randomized complete block design (RCBD), with 3 repetitions of 30 observations. To assess the effect of nitrogen and phosphor, this experiment was done with three treatments of nitrogen (100, 150, and 200 kg/acre), and three treatments of phosphor (30, 60, and 90 kg/acre). Also, 100 kg/acre of potassium was used for all treatments. The amount of phosphor was evaluated using the color measurement method with the yellow Vanadat Mulibdat. The spectrophotometer (UVD-2960) for reading the absorption power in the 470 nanometer wave length. The results regarding the nitrogen amount in the leaf shows that the N3+P2+K treatment has the highest effect regarding nitrogen absorption (5.07%). Also, with an increase in the amount of phosphor, the amount of this mineral increases in the leaf. The results of this study show that the amount of nitrogen has an important effect on the amount of phosphor concentration in the leaf. As the application of nitrogen fertilizer increases, the phosphor concentration in the leaf decreases. The results of different fertilizers show that the use of fertilizing treatments increases the shelf life of narcissus flower compared with the control treatment.
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