Farklı fosfor dozlarının kişniş (Coriandrum sativum L.) bitksinde verim ve bazı tarımsal özeliklere etkisi
2020
Özyazici, Gülen
In this study, the effect of different doses of phosphorus (P) fertilizer applied to the soil, on the yield and some quality parameters of coriander (Coriandrum sativum L.) were investigated. The study was conducted between 2017 and 2019 under the semi-arid climate conditions of Southeast Anatolia in Turkey. In the study, five different doses of fertilizer with phosphorus (P0= 0 kg P2O5 da-1, P3= 3 kg P2O5 da-1, P6= 6 kg P2O5 da-1, P9= 9 kg P2O5 da-1 ve P12 kg P2O5 da-1) has been considered as the subject of research. According to the results of two years of research, it was determined that P doses had significant effects on seed yield and some of the agricultural properties effective on yield, essential oil, and fixed oil ratios. In the study, the highest plant height, number of branches per plant, number of umbellet in the main umbel, number of seeds, biological yield, seed yield, essential and fixed oil ratios were obtained at P9 dose. The highest values in terms of thousandgrain weight were determined in P6 and P9 doses. According to P fertilizer doses, plant height, number of branches, number of umbellet in the main umbel, number of seeds in the main umbel, biological yield, seed yield, thousand-grain weight, essential oil ratio and fixed oil ratio were ranged between 66.86-84.78 cm, 5.32-9.03 plants-1, 4.79-5.67, 20.33-35.18, 317.3516.7 kg da-1, 98.9-174.3 kg da-1, 6.99-7.45 g, 0.30-0.42% and 15.59-17.24%, respectively. According to the results of the research, under the semi-arid climatic conditions of Siirt province with very little and/or low levels of P, for the winter cultivation of coriander (C. sativum L.) for seed yield, a pure phosphorous (P2O5) fertilization of 8.7 kg per decare is recommended.
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