Photosynthetic parameters of paulownia plantation in the second growing season under organic fertilization, cryoprotectant and foliar feeding application, 2022 (Forest-Steppe of Ukraine)

This dataset contains results of a field trial with paulownia (Paulownia, variety Clone In Vitro 112) on the photosynthetic potential of the plantation and net photosynthetic productivity in the second growing season (2022) depending on organic fertilization, cryoprotectant treatment and foliar feeding. Key data parameters include: Photosynthetic potential of plantation (million m²/ha): ranges from 6.62 to 6.62; mean without fertilizer – 6.62, with Vermicompost – 6.62. Net photosynthetic productivity (g/m² per day): ranges from 1.29 to 1.41; mean without fertilizer – 1.35, with Vermicompost – 1.37. Experimental factors: Factor A – fertilization: no fertilizer; organic fertilizer Vermicompost (400 kg/ha) applied before plantation establishment. Factor B – cryoprotectant: none; growth regulator cryoprotectant MARS EL (0.5 L/ha) at the start of leaf regrowth. Factor C – foliar feeding: none; Kvantum-AmiNoFrost (1.5 L/ha); SMARTGROW VIDNOVLENNIA (2.0 L/ha). The field trial was conducted at the Research and Production Centre of Bila Tserkva National Agrarian University (Right-Bank Forest-Steppe of Ukraine, typical leached chernozem). Paulownia variety Clone In Vitro 112, planting scheme 4 × 4 m (625 plants/ha); elementary plot area 120 m², three replications. Research year: 2022 (second growing season). In Table 4.6 of the thesis the same photosynthetic potential value (6.62 million m²/ha) is given for all treatments, whereas the chapter text reports a mean of 5.91 million m²/ha; this is a probable typographical error in the source. Values are reproduced unchanged. Source: Table 4.6 of the PhD thesis by V. A. Titarenko "Development of the elements of paulownia growing technology in the conditions of the Forest-Steppe of Ukraine" (Bila Tserkva NAU, 2024).