Abstract
Problems in optimizing the soil water regime for cultivated plants in drainage systems operating only for the excess water discharge have been shown. The effect of enhanced climate aridity on agriculture in the nonblack-soil zone in Russia requires the advanced search for the prompt removal of the soil moisture deficits. Within the operation to reconstruct drainage systems, the technological opportunities for cultivated crop irrigation must be foreseen. A review of economic efficiency of irrigation use for potato production in the drainage soil area has been provided. According to the experimental data, watering the fertilized potatoes twice a dry period of vegetation ensured provisional income per hectare of drainage lands in the range of 32000 rubles to 77000 rubles even in a wet year, 2012.
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Original Russian Text © N.G. Kovalev, V.N. Zinkovsky, T.S. Zinkovskaya, O.N. Antsiferova, 2015, published in Doklady Rossiiskoi Akademii Sel’skokhozyaistvennykh Nauk, 2015, No. 1–2, pp. 47–50.
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Kovalev, N.G., Zinkovsky, V.N., Zinkovskaya, T.S. et al. Need for bilateral regulation of soil water regimes in nonblack-soil zone agriculture in Russia. Russ. Agricult. Sci. 41, 158–161 (2015). https://doi.org/10.3103/S1068367415020111
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DOI: https://doi.org/10.3103/S1068367415020111