Productive Potential of Maize Hybrid Kn 435, Grain in Three Crop-Rotation | ПРОДУКТИВНИ ВЪЗМОЖНОСТИ НА ЦАРЕВИЧНИЯ ХИБРИД КНЕЖА 435, ОТГЛЕЖДАН В ТРИПОЛНО СЕИТБООБРАЩЕНИЕ
2014
Nankov, M., Institute of Maize, Knezha (Bulgaria) | Popova, L., Institute of Maize, Knezha (Bulgaria)
The article presents result of the influence of mineral fertilization on some biometric plant yield and physical grain quality of maize hybrid Kn 435. Found that mineral fertilization increased plant height, height of upper betting cob and scope of the stem at the base by an average of 16.4 cm, 12.4 cm and 0.65 cm. Weight per cob, corn cob and one mass of 1000 grains increased compared with the control without fertilization by 12.7 g, 12.3 g and 14.5 g for the single N6P4K4 and 21.9 g, 19.7 g and 23.7 g for double N12P8K8 fertilizer rate. Hectolitre weight increases by fertilization with N12P8K8 with 1.66% with the control. Mineral fertilization increased grain yield by 19.47% by fertilization with N6P4K4 and with 24.25% for double N12P8K8 fertilization rates.
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