THE EFFECT OF NITROGEN, MAGNESIUM AND IRON APPLICATIONS ON THE NUTRIENT CONTENT OF PARSLEY (Petroselinum crispum)
2022
Bulent Yağmur | Bulent Okur | Nur Okur
The aim of this study is to investigate the effects of different rates of N, Mg and Fe applications on the mineral content of parsley leaves. The experiment was carried out in a greenhouse according to the randomized plot design with three replications. Seven N, Mg and Fe dose treatments were designed as 130, 160, 190, 220, 250, 280 and 310 kg per ha N as ammonium nitrate (33% N), 40, 80, 120, 160, 200, 240 and 280 kg per ha Mg as magnesium sulphate (16% MgO) and 8, 16, 24, 32, 40, 48 and 56 Fe kg per ha as ferrous sulphate (20% Fe). The treatments did not significantly affect phosphorus concentrations in parsley leaves. The nitrogen uptake of the plant increased in all three element applications and the highest N, K and Ca values were determined in nitrogen fertilizer applications. The nitrate amount in the leaves also increased depending on the increasing N rates. The results indicate that the most effective fertilizer in the nutrition of parsley is nitrogen fertilizers and nitrogen doses up to 310 kg per ha did not increase the nitrate amount in parsley above the permissible level.
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