Effect of irrigation of plants maintained at different moisture regimes on the quantity and quality of sugarbeet yield

Dakher, F.D.; Zakhariev, T.

Rasteniev'dni Nauki 18(8): 43-51

1981


ISSN/ISBN: 0568-465X
Accession: 001068044

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Abstract
Field experiments were carried out in 1978-1980 at the experimental field of the Institute of Hydrotechnics and Meliorations near the village of Chelopechene, Sofia district, Bulgaria. An attempt was made to study the effect of different water treatments on the quantity and quality of sugar beet production. Seven treatments were tested, 5 irrigated on a basis determined by lysimeters Etm and 1 without irrigation. The different water treatments had a considerable influence on the yield of roots and sugar per unit area and an insignificant influence on the content of sugar in the roots, differences being within the limits of .apprx. 1%. Economically profitable results were obtained along with comparatively high root and sugar yields per unit area and together with high productivity of irrigation water in case sugar beet was irrigated on the basis of 80% Etm and preirrigation soil moisture 80% of MWC. In such cases the increase in yield resulting from irrigation is 50% on the average. The increased yield of roots due to irrigation amounts to .apprx. 16,000 kg/ha. The productivity of water applied by irrigation is 9 kg roots or 1.7 kg sugar/m3.