EFFECT ON THE RIPENING MAIZE HYBRIDS MORPHOLOGICAL PARAMETERS AND PERFORMANCE UNDER SPC "PODOLIE"
Journal Title: Подільський вісник : сільське господарство, техніка, економіка - Year 2017, Vol 26, Issue 1
Abstract
The article reveals the relevance of the topic - the value of corn and its food, technical and fodder value. The effect of the rapidity of the maize hybrids on the onset of their growth and development phases, the biometric indices and biomass of hybrids of different maturity in FAO, the correlation between the vegetative organs of hybrids (stems, leaves, beginnings), their influence on the formation of the assimilation surface and the collection of dry substances. The average maize hybrids for 3 years formed the height of 239-242 cm; For each plant there were 9.45 to 10.7 leaves, and their vegetative mass was 423 to 437 c / ha; Weight of 1 plants - from 740 to 780 g; Leaf surface - from 45,5 to 49,5 thousand m2 / ha; The collection of solids from 1 hectare ranged from 243 to 534. In the laboratory, an analysis of the origins of maize hybrids were carried out, seeds of seed quality (1000 seed mass, germination energy and laboratory similarity) were determined. Structural analysis of corn hybrids has shown that the early-hybrid PR 39 N 32, based on indicators such as the mass of grain from the beginning, the number of seed rows in the beginning, the number of seeds per row and the weight of 1000 seeds, significantly outperformed other more recent-late hybrids. The economic efficiency of the corn yields was calculated: the highest yield was obtained in the earlyhybrid PR 39 H 32 (control version) - 12.9 t / ha, while for the other two it was Pustovarivsky and DK-315 it was 12.1-11.0 t / Ha, (correspondingly, the growth of its harvest to two other hybrids amounted to 0.8 - 1.9 t / ha). The cost of the crop on the control was 58050 UAH, which is higher by 3600-8550 UAH from other hybrids. At production costs of cultivation 28,900 UAH, the cost of 1 ts grain, according to the options, ranged from 224.0 to 262.7 UAH, and net income - from 20600 to 29150 UAH with a profitability of 101% on the control and 88- 71%, respectively, in other variants.
Authors and Affiliations
I. P. Rykhlivsky, V. S. Vakhnyak, V. M. Burdyga
Keywords
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