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- 2003 . ʲ 2015 - KHARKIV : Editorial Board: . . ( ), V. V. Kyrychenko (editor-in-chief), ...

-- [ 29 ] --

6. .. / .. , .. // . 1981. 1. . 1316.

7. .. / . . , . . // .-. . 1990. 8. . 8892.

8. Spielhaus G. Stabilisierter Strickstoff steigert Ertrag // Landw. Wochenblatt Westfalen lirre

1989. Bd. 146. 9. .42.

9. .., .. / . . , . . // . 1983. 1. . 2223.

10. .. / .. . . : , 57. 1967. 8. . 799801.

11. .. . .

.. . : , 2001. 447.

References

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3. eet, poblemy intensification and resource conservation. Ed. V.F. Zubenka. . : "Alpha stevia LTD", 2007. 486.

4. Turner F. Amino nitrogen story update. Brit. Sugar Beet Review. 1989. 57 (3): 31.

5. Winner C. Zuckerrbenbau - DLG - Verlag, Mnchen, 1981. 308.

6. Volyansky AV, Onopriyenko VT. Norms of fertilizers under programmable. Sugar beet harvest. 1981. 1: 1316.

7. Basmanov AE., Kuznetsov AV. Environmental regulation of fertilizer application in modern agriculture. Bulletin of Agricultural science. 1990. 8: 8892.

8. Spielhaus G. Stabilisierter Strickstoff steigert Ertrag. Landw. Wochenblatt Westfalen lirre.

1989. 146 (9): 42.

9. Shkarovsky PI, Vitrihovsky PI. Fertilizers the planned yield. Sugar bee. 1983. 1: 2223.

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799801.

11. Triebel S.A. Methods of testing and use of pesticides Ed. prof. S.O. Trybelya. K. : World, 2001. 447.

   

, .

. 20102013 . . , (4-) . 7 %, 0,28%.

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59,3 / 16,88 % 10,0 /, . 7 % 0,28 % .

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Keywords: sugar beet, microelements, spraying, chlorophyll, yield capacity, sugar content Provision of plants with mineral nutrition, including microelements, is an important factor for successful cultivation of sugar beet.

Among known preparations with microelements for top dressing, Vuksal is widely applied. The purpose of the small plot investigations carried out in 2010-2013 was selection of the most rational systems of Vuksal application on sugar beet crops. It was established that the system of consecutive (4) sprayings of leaves with microfertilizer solutions was the most rational.

The gain in performance was 7 %, in sugar content in roots 0.28 %.

The experiments showed that concentration of chlorophyll as the main component providing photosynthesis changed in sugar beet leaves during the growing season, reaching the maximum in the second ten-day interval of July. The study of microfertilizer effect on chlorophyll content showed that their application on plant leaves positively affected chlorophyll accumulation in leaves. The most lasting increase in chlorophyll content in leaves was achieved in the experiments with consecutive sprayings with microfertilizers.

The highest yield of roots in the experiments was 59.3 t / ha with sugar content in them of 16.88% and sugar yield of 10.0 t / ha., which exceeded the control values bye 7% and 0.28%, respectively.

The study results on timing of sprayings showed that the use of four consecutive sprayings with microfertilizers in the first and third ten-day intervals of June and in the first and third ten-day intervals of August were the most effective to increase yield capacity and sugar content in roots in the experiments.

   

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