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Publication Date
1977
Description
Irrigation of pastures in the northern forest steppe of Ukraine is possible with soil moisture reduction from 80 % to 65 % of minimum water capacity in the upper soil layer (0-60 cm), provided it is combined with fertilization. Dry matter yields between 7.2 and 7.9 t/ha were obtainable from legume + grasses mixtures in response to irrigation plus fertilization (60 kg P + 90 kg K/ha). Per-hectare dry matter yields were increased to 10.0 tons and even more by adding to the PK ration 150 kg N/ha. Fertilization with 300 kg N + 120 kg P + 180 kg K/ha gave even further increase in pasture productivity but, on the other hand, resulted in a severe decline in the profitability of fertilization. Pasture productivity without irrigation was by 37.5-54.5% lower than that with irrigation.
Citation
Palamarchuk, I; Bogovin, A; Maksimenko, V; Beskrovny, Yu; and Zgurskaya, N, "Pasture irrigation with industrial and communal sewage from the town of Kiev" (1977). IGC Proceedings (1977-2023). 66.
(URL: https://uknowledge.uky.edu/igc/1977/sess7/66)
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Pasture irrigation with industrial and communal sewage from the town of Kiev
Irrigation of pastures in the northern forest steppe of Ukraine is possible with soil moisture reduction from 80 % to 65 % of minimum water capacity in the upper soil layer (0-60 cm), provided it is combined with fertilization. Dry matter yields between 7.2 and 7.9 t/ha were obtainable from legume + grasses mixtures in response to irrigation plus fertilization (60 kg P + 90 kg K/ha). Per-hectare dry matter yields were increased to 10.0 tons and even more by adding to the PK ration 150 kg N/ha. Fertilization with 300 kg N + 120 kg P + 180 kg K/ha gave even further increase in pasture productivity but, on the other hand, resulted in a severe decline in the profitability of fertilization. Pasture productivity without irrigation was by 37.5-54.5% lower than that with irrigation.
