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Seyed Najmmaddin Mortazavi

Sajad Heidari,1,* Seyed Najmadin Mortazavi,1 Forouzandeh Soltani2
STUDY THE EFFECT OF FOLIAR SPRAY OF CALCIUM NITRATE AND POTASSIUM NITRATE ON MACRONUTRIENTS UPTAKE OF TARRAGON IN “RAY” REGION
Abstract


Proper applications of nutrient during plant growth not only have a major role to increasing yield, but also affect the quantity and quality of their essential oil. In this study effect of calcium nitrate and potassium nitrate on vegetative traits, essential oil content, absorptions of nutrition in tarragon were evaluated. This research was conducted using Factorial experiment based on Complete Randomized Block Design with three replications in Ray area in 2010. Both fertilizers had four different levels (0, 1.5, 3 and 6 g/l). Results showed that foliar application of Ca(NO3)2 and KNO3 significantly (p <0.01) affected Absorption of mineral elements in leaf dry matter. Nitrogen uptake increased with increasing concentration of both fertilizers. High content of potassium was detected in plants treated with 1.5 g/l calcium nitrate and 6 g/l potassium nitrate. Amount of phosphorus in dry matter decreased with increasing concentration of both fertilizers. The highest content of calcium detected in plant treated with 6 g/l calcium nitrate and 1.5 g/l potassium nitrate [1- 3].

 

 

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