Pryvedeniuk N. V., Shevchuk N. M.
Pages: 17-22.

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Abstract

The purpose. To determine regularities of influence of feeding area on productivity and quality of raw material of medicinal balm at seedling method of growing in conditions of dropping irrigation. Methods. Methodical approaches which are applied in domestic practice and medicinal plant growing are used. In particular, development of schemes of experiments was executed according to B.A. Dospehov and M.M. Gorianskiy techniques. Sampling of plants, biometric measurements and phenological observations were spent in view of specific features of medicinal crops according to A.I. Brykin and A.A. Porada techniques. Damp of roots layer of soil during vegetation was maintained at the level of 80% of the least humidity. Results. Dependence of productivity of balm on feeding area of plants is established. It is determined that with increase in amount of plants at 1 hectare up to 83 thousand plants/hectare productivity of grass raises up to 4,53 t/hectare in the first year of vegetation, and to 6,99 t/hectare in the second year. The further increase of amount of plants decreases productivity of crop. Regularity of increase in share of a leaf in raw material from 63,1 up to 69,5% is fixed at increase of feeding area from 167 up to 42 thousand plants/hectare. Results of phyto-chemical probes specify that high content of essential oil (0,72%) is fixed for alternative with firmness of planting 56 thousand plants/hectare. Conclusion. It is proved that high productivity of raw material of balm is ensured with its cultivation at firmness of planting 83 thousand plants/hectare. For deriving high quality raw material, concerning content of essential oil, the amount of plants for 1 hectare should not exceed 53 thousand.

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Key words: medicinal balm, feeding area, growth and development, productivity, quality of raw material.

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