THE INFLUENCE OF CLIMATIC CONDITIONS OF THE YEAR AND SOWING DENSITY ON THE YIELD OF SOME MAIZE HYBRIDS

8th International Scientific Conference Modern Trends in Agricultural Production, Rural Development and Environmental Protection (2026) [pp. 69-76]  

 

AUTHOR(S) / АУТОР(И): Milan Biberdžić , Jelena Stojiljković , Vera Rajičić , Saša Barać , Dragana Lalević , Danijela Prodanović , Milomirka Madić

 

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DOI: https://doi.org/10.46793/8thMTAgricult.069B

ABSTRACT / САЖЕТАК:

These researches were carried out in 2016 and 2017 on the territory of the municipality of Leskovac. The experiment included 6 maize hybrids different vegetation length (ZP 434, NS 4023, ZP 555, NS 5051, ZP 666, NS 6030) and 3 sowing densities (71428 plants per ha-1; 57142 plants per ha-1 and 47619 plants per ha-1). The experiment was set up according to the randomized block system in 3 replications. Differences in yield between hybrids with a shorter vegetation period, are less pronounced than in cases of hybrids with a longer vegetation period. The length of the growing season of hybrids influenced the differences in yield when different sowing densities were in question. Thus, in hybrids with shorter vegetation (ZP 434 and NS 4023), the highest average yield was in the case of the highest densities, while in hybrids with medium vegetation length (ZP 555 and NS 5051), there were no statistically significant differences in average yield between sowing densities. Hybrids with a longer vegetation period (ZP 666 and NS 6030) achieved the highest yields in the lowest and medium densities and they were significantly higher than the average yields achieved in the highest sowing densities. Considering that lately we have more and more dry years, it is necessary to grow hybrids with defferent length of vegetation, in order to make production safer. In addition, it is absolutely necessary to adapt the sowing density to the length of the hybrid vegetation.

KEYWORDS / КЉУЧНЕ РЕЧИ:

Maize, vegetation length, sowing density, yield

ACKNOWLEDGEMENT / ПРОЈЕКАТ:

This study was supported by the Ministry of Education, Science and Technological Development of the Republic of Serbia, Project No 451-03-65/2024-03/200189.

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