Effects of Different Fertilization and Lateral Spacing Applications on Grain Corn
2022
Karasahi̇n, Muhammet
This study was carried out in 2020 in Çumra-Konya ecological conditions in order to determine the effects of different fertilization applications on grain corn. The research was carried out in three replications according to the "randomized blocks experimental design". Different fertilization (G1; 50 kg da-1 compound base fertilizer, 50 kg da-1 urea from the top and 25 kg da-1 MgSO4, G2; 1.5 x G1, G3; 2 x G1, G4; G1+ SÇ (50 kg da-1 vermicompost tea), G5; G1 + 32 kg da-1 urea + SÇ, G6; G1 + 65 kg da-1 urea + SÇ, G7; 65 kg da-1 urea, 400 g da-1 humic acid and 100 g da-1 ZnSO4, G8; G1 + 400 g da-1 humic acid and 100 g da-1 ZnSO4, G9; 20 kg da-1 MKP from the top, 65 kg da-1 urea and 25 kg da1 MgSO4, G10; 200 kg da-1 solid vermicompost to base, 400 g above top da-1 humic acid and 100 g da-1 ZnSO4) applications were placed randomly in blocks. According to the results obtained in the research, the highest number of leaves (16.9), height of the first ear (154.7 cm), plant height (339 cm), number of kernels per ear (678), length of the ear (17.2 cm) and weight of the ear (304 g) were obtained from the G2 application. The highest grain yield values were obtained from G2 and G3 applications (respectively, 1976 and 1916 kg da-1). When the highest grain yield and the use of lower chemical inputs are considered together, it is seen that G2 application is recommended.
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