An Investigation Effect of Optimum Balanced Fertilization on Preventing Nut Dropping And Flower Production Percent in two Hazelnut Cultivars in Qazvin Region
2007
Nejatiyan, Mohammad A`li | Shahabifar, Ja`far | Eshaqi, A`li Reza | Khosravi Nezhad, Aa`zam | Sotodeh, Reza
An expriment &rdquoinvestigation effects of optimum fertilizer applying management on preventing nut dropping and flower production precent in two hazelnut cultivars in Qazvin&rdquowas carried out to evaluate the effect of some macro and micro nutrients on physiology and pomology charactristics of hazelnut cultivars at Qazvin agriculture and natural resources research center. In this study hazelnut cultivars include two Qazvin common cultivrs, Hazelnut Shah and Anbouhi. A complete randomized block expriment with seven treatments including T1: control, T2: NPK + Zn, T3: NPK +B , T4: NPK + Zn + B, T5: NPK + Zn with twice Zn foliar application, T6: NPK + B with twice B foliar application and T7: NPK + Zn + B with twice Zn + B foliar application, with three replications in 2002 for three years was carried out for this test. Each treatment was studied on three trees. The results of the first year showed that fertilizer application was significantly induded (p = 0.05) emptiness percentage. Lowest emptiness percenage rate of %0.2 was obtained with T7 in compared to control (%2.7). Effect of fertilizer and cultivar were significantly increased fruit weight (p = 0.01), fruit length (p = 0.05), fruit diameter (p = 0.01), nut weight (p = 0.05). Therefore, the highest fruit weight rate of 3.016 gr. achiened with Hazelnut Shah cultivar and T2. Application fertilizer treatment did not significantly effect on fruit protein. The highest protein percentage rate of 14.05% achiened with T6 in compared to control (%1.13).
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