Özet:

This study aims to identify the effect of fosforic fertilizer applied to the soil at different levels on the efficiency of the plant (Coriandrum sativum L.) and some quality parameters. The research was conducted between the years 2017-2019 in the conditions of the southeastern Anadolu region where the semi-dry climate of Turkey is dominated. In the study, 5 different doses of phosphorus fertilizer (P0 = 0 kg of P2O5 in-1, P3 = 3 kg of P2O5 in-1, P6 = 6 kg of P2O5 in-1, P9 = 9 kg of P2O5 in-1 and P12 kg of P2O5 in-1) were discussed as the subject of the study. According to the two-year research results, P doses have been determined to have significant effects on the seed productivity and some agricultural properties that are effective on the productivity, and on the flight fat and fixed fat. The highest in the study; the length of the plant, the number of branches in the plant, the number of shadows in the main shadows, the number of seeds, biological productivity, seed productivity, the flight and fixed fat ratio was determined in P9 dose. The highest values in terms of a thousand weight are determined in P6 and P9 phosphorus doses. According to the phosphorus fertilizer doses, plant length 66.86-84.78 cm, branch number 5.32-9.03 pieces of plant-1, diamond number 4.79-5.67 pieces, seed number 20.33-35.18 pieces, biological productivity 317.3-516.7 kg, seed productivity 98.9-174.3 kg, 1, thousand weight 6.99-7.45 g, flight fat ratio 0.30-0.42 and fixed fat ratio 15.59-17.24 percent. According to the study, in the semi-dry climate conditions, in the soil very little and/or very low levels of P can be absorbed, in the presence of humidity (C. In the winter cultivation of sativum L.) it is recommended to make phosphorus fertilization with a purely 8.7 kg P2O5 account for seed production.

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